Home / 357,503.28-536,324.04-135,870

Finding the Fourth Proportional to 357,503.28, 536,324.04 and 135,870

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Solution

The fourth proportional to 357,503.28, 536,324.04 and 135,870 is: 203,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,503.28 : 536,324.04 = 135,870 : x
  2. Step 2: Convert to fraction form
    357,503.28/536,324.04 = 135,870/x
  3. Step 3: Cross multiply
    357,503.28x = 536,324.04 × 135,870
  4. Step 4: Simplify right side
    357,503.28x = 72,870,347,314.80
  5. Step 5: Solve for x
    x = 72,870,347,314.80/357,503.28
  6. Step 6: Final answer
    x = 203,831.27

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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.