Home / 389,377.32-584,070.62-152,831.40

Finding the Fourth Proportional to 389,377.32, 584,070.62 and 152,831.40

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Solution

The fourth proportional to 389,377.32, 584,070.62 and 152,831.40 is: 229,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,377.32 : 584,070.62 = 152,831.40 : x
  2. Step 2: Convert to fraction form
    389,377.32/584,070.62 = 152,831.40/x
  3. Step 3: Cross multiply
    389,377.32x = 584,070.62 × 152,831.40
  4. Step 4: Simplify right side
    389,377.32x = 89,264,330,553.47
  5. Step 5: Solve for x
    x = 89,264,330,553.47/389,377.32
  6. Step 6: Final answer
    x = 229,248.92

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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.