Home / 389,610.90-584,416.35-152,831.70

Finding the Fourth Proportional to 389,610.90, 584,416.35 and 152,831.70

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Solution

The fourth proportional to 389,610.90, 584,416.35 and 152,831.70 is: 229,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,610.90 : 584,416.35 = 152,831.70 : x
  2. Step 2: Convert to fraction form
    389,610.90/584,416.35 = 152,831.70/x
  3. Step 3: Cross multiply
    389,610.90x = 584,416.35 × 152,831.70
  4. Step 4: Simplify right side
    389,610.90x = 89,317,344,278.30
  5. Step 5: Solve for x
    x = 89,317,344,278.30/389,610.90
  6. Step 6: Final answer
    x = 229,247.55

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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.