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Finding the Fourth Proportional to 359,324.05, 539,359.91 and 264,661.12

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Solution

The fourth proportional to 359,324.05, 539,359.91 and 264,661.12 is: 397,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,324.05 : 539,359.91 = 264,661.12 : x
  2. Step 2: Convert to fraction form
    359,324.05/539,359.91 = 264,661.12/x
  3. Step 3: Cross multiply
    359,324.05x = 539,359.91 × 264,661.12
  4. Step 4: Simplify right side
    359,324.05x = 142,747,599,695.79
  5. Step 5: Solve for x
    x = 142,747,599,695.79/359,324.05
  6. Step 6: Final answer
    x = 397,267.03

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1.5x scale

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.