Home / 224,538.28-309,336.47-156,432.06

Finding the Fourth Proportional to 224,538.28, 309,336.47 and 156,432.06

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Solution

The fourth proportional to 224,538.28, 309,336.47 and 156,432.06 is: 215,509.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,538.28 : 309,336.47 = 156,432.06 : x
  2. Step 2: Convert to fraction form
    224,538.28/309,336.47 = 156,432.06/x
  3. Step 3: Cross multiply
    224,538.28x = 309,336.47 × 156,432.06
  4. Step 4: Simplify right side
    224,538.28x = 48,390,141,039.69
  5. Step 5: Solve for x
    x = 48,390,141,039.69/224,538.28
  6. Step 6: Final answer
    x = 215,509.54

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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.