Home / 282,827.18-390,215.12-186,003.42

Finding the Fourth Proportional to 282,827.18, 390,215.12 and 186,003.42

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Solution

The fourth proportional to 282,827.18, 390,215.12 and 186,003.42 is: 256,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,827.18 : 390,215.12 = 186,003.42 : x
  2. Step 2: Convert to fraction form
    282,827.18/390,215.12 = 186,003.42/x
  3. Step 3: Cross multiply
    282,827.18x = 390,215.12 × 186,003.42
  4. Step 4: Simplify right side
    282,827.18x = 72,581,345,925.69
  5. Step 5: Solve for x
    x = 72,581,345,925.69/282,827.18
  6. Step 6: Final answer
    x = 256,627.91

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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.