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Finding the Fourth Proportional to 359,762.15, 539,462.50 and 119,791.23

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Solution

The fourth proportional to 359,762.15, 539,462.50 and 119,791.23 is: 179,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,762.15 : 539,462.50 = 119,791.23 : x
  2. Step 2: Convert to fraction form
    359,762.15/539,462.50 = 119,791.23/x
  3. Step 3: Cross multiply
    359,762.15x = 539,462.50 × 119,791.23
  4. Step 4: Simplify right side
    359,762.15x = 64,622,873,117.61
  5. Step 5: Solve for x
    x = 64,622,873,117.61/359,762.15
  6. Step 6: Final answer
    x = 179,626.66

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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.