Home / 310,932.18-429,145.16-194,699.62

Finding the Fourth Proportional to 310,932.18, 429,145.16 and 194,699.62

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Solution

The fourth proportional to 310,932.18, 429,145.16 and 194,699.62 is: 268,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,932.18 : 429,145.16 = 194,699.62 : x
  2. Step 2: Convert to fraction form
    310,932.18/429,145.16 = 194,699.62/x
  3. Step 3: Cross multiply
    310,932.18x = 429,145.16 × 194,699.62
  4. Step 4: Simplify right side
    310,932.18x = 83,554,399,576.84
  5. Step 5: Solve for x
    x = 83,554,399,576.84/310,932.18
  6. Step 6: Final answer
    x = 268,722.26

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1.5x scale

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.