Home / 272,128.16-408,229.19-94,612.20

Finding the Fourth Proportional to 272,128.16, 408,229.19 and 94,612.20

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Solution

The fourth proportional to 272,128.16, 408,229.19 and 94,612.20 is: 141,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,128.16 : 408,229.19 = 94,612.20 : x
  2. Step 2: Convert to fraction form
    272,128.16/408,229.19 = 94,612.20/x
  3. Step 3: Cross multiply
    272,128.16x = 408,229.19 × 94,612.20
  4. Step 4: Simplify right side
    272,128.16x = 38,623,461,297.06
  5. Step 5: Solve for x
    x = 38,623,461,297.06/272,128.16
  6. Step 6: Final answer
    x = 141,931.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.