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Finding the Fourth Proportional to 359,401.80, 539,102.70 and 336,073.80

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Solution

The fourth proportional to 359,401.80, 539,102.70 and 336,073.80 is: 504,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,401.80 : 539,102.70 = 336,073.80 : x
  2. Step 2: Convert to fraction form
    359,401.80/539,102.70 = 336,073.80/x
  3. Step 3: Cross multiply
    359,401.80x = 539,102.70 × 336,073.80
  4. Step 4: Simplify right side
    359,401.80x = 181,178,292,979.26
  5. Step 5: Solve for x
    x = 181,178,292,979.26/359,401.80
  6. Step 6: Final answer
    x = 504,110.70

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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.