Home / 510,582.25-765,987.17-155,623.95

Finding the Fourth Proportional to 510,582.25, 765,987.17 and 155,623.95

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Solution

The fourth proportional to 510,582.25, 765,987.17 and 155,623.95 is: 233,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,582.25 : 765,987.17 = 155,623.95 : x
  2. Step 2: Convert to fraction form
    510,582.25/765,987.17 = 155,623.95/x
  3. Step 3: Cross multiply
    510,582.25x = 765,987.17 × 155,623.95
  4. Step 4: Simplify right side
    510,582.25x = 119,205,948,266.60
  5. Step 5: Solve for x
    x = 119,205,948,266.60/510,582.25
  6. Step 6: Final answer
    x = 233,470.61

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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.