Home / 359,066.90-538,664.78-148,721.06

Finding the Fourth Proportional to 359,066.90, 538,664.78 and 148,721.06

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Solution

The fourth proportional to 359,066.90, 538,664.78 and 148,721.06 is: 223,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,066.90 : 538,664.78 = 148,721.06 : x
  2. Step 2: Convert to fraction form
    359,066.90/538,664.78 = 148,721.06/x
  3. Step 3: Cross multiply
    359,066.90x = 538,664.78 × 148,721.06
  4. Step 4: Simplify right side
    359,066.90x = 80,110,794,744.75
  5. Step 5: Solve for x
    x = 80,110,794,744.75/359,066.90
  6. Step 6: Final answer
    x = 223,108.27

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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.