Home / 347,831.70-521,747.55-148,158.60

Finding the Fourth Proportional to 347,831.70, 521,747.55 and 148,158.60

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Solution

The fourth proportional to 347,831.70, 521,747.55 and 148,158.60 is: 222,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,831.70 : 521,747.55 = 148,158.60 : x
  2. Step 2: Convert to fraction form
    347,831.70/521,747.55 = 148,158.60/x
  3. Step 3: Cross multiply
    347,831.70x = 521,747.55 × 148,158.60
  4. Step 4: Simplify right side
    347,831.70x = 77,301,386,561.43
  5. Step 5: Solve for x
    x = 77,301,386,561.43/347,831.70
  6. Step 6: Final answer
    x = 222,237.90

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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.