Home / 359,254.09-538,924.10-145,976.43

Finding the Fourth Proportional to 359,254.09, 538,924.10 and 145,976.43

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Solution

The fourth proportional to 359,254.09, 538,924.10 and 145,976.43 is: 218,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,254.09 : 538,924.10 = 145,976.43 : x
  2. Step 2: Convert to fraction form
    359,254.09/538,924.10 = 145,976.43/x
  3. Step 3: Cross multiply
    359,254.09x = 538,924.10 × 145,976.43
  4. Step 4: Simplify right side
    359,254.09x = 78,670,215,429.08
  5. Step 5: Solve for x
    x = 78,670,215,429.08/359,254.09
  6. Step 6: Final answer
    x = 218,982.10

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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.