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Finding the Fourth Proportional to 359,276.80, 539,498.40 and 201,812.80

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Solution

The fourth proportional to 359,276.80, 539,498.40 and 201,812.80 is: 303,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,276.80 : 539,498.40 = 201,812.80 : x
  2. Step 2: Convert to fraction form
    359,276.80/539,498.40 = 201,812.80/x
  3. Step 3: Cross multiply
    359,276.80x = 539,498.40 × 201,812.80
  4. Step 4: Simplify right side
    359,276.80x = 108,877,682,699.52
  5. Step 5: Solve for x
    x = 108,877,682,699.52/359,276.80
  6. Step 6: Final answer
    x = 303,046.79

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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.