Home / 284,164.08-392,146.02-156,839.37

Finding the Fourth Proportional to 284,164.08, 392,146.02 and 156,839.37

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Solution

The fourth proportional to 284,164.08, 392,146.02 and 156,839.37 is: 216,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,164.08 : 392,146.02 = 156,839.37 : x
  2. Step 2: Convert to fraction form
    284,164.08/392,146.02 = 156,839.37/x
  3. Step 3: Cross multiply
    284,164.08x = 392,146.02 × 156,839.37
  4. Step 4: Simplify right side
    284,164.08x = 61,503,934,724.81
  5. Step 5: Solve for x
    x = 61,503,934,724.81/284,164.08
  6. Step 6: Final answer
    x = 216,438.10

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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.