Home / 283,728.46-391,541.04-156,401.32

Finding the Fourth Proportional to 283,728.46, 391,541.04 and 156,401.32

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Solution

The fourth proportional to 283,728.46, 391,541.04 and 156,401.32 is: 215,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,728.46 : 391,541.04 = 156,401.32 : x
  2. Step 2: Convert to fraction form
    283,728.46/391,541.04 = 156,401.32/x
  3. Step 3: Cross multiply
    283,728.46x = 391,541.04 × 156,401.32
  4. Step 4: Simplify right side
    283,728.46x = 61,237,535,490.17
  5. Step 5: Solve for x
    x = 61,237,535,490.17/283,728.46
  6. Step 6: Final answer
    x = 215,831.49

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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.