Home / 304,519,348.73-420,225,827.28-172,357,506.86

Finding the Fourth Proportional to 304,519,348.73, 420,225,827.28 and 172,357,506.86

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Solution

The fourth proportional to 304,519,348.73, 420,225,827.28 and 172,357,506.86 is: 237,847,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,519,348.73 : 420,225,827.28 = 172,357,506.86 : x
  2. Step 2: Convert to fraction form
    304,519,348.73/420,225,827.28 = 172,357,506.86/x
  3. Step 3: Cross multiply
    304,519,348.73x = 420,225,827.28 × 172,357,506.86
  4. Step 4: Simplify right side
    304,519,348.73x = 72,429,075,905,414,304
  5. Step 5: Solve for x
    x = 72,429,075,905,414,304/304,519,348.73
  6. Step 6: Final answer
    x = 237,847,204.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.