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Finding the Fourth Proportional to 359,273.20, 538,909.80 and 226,303.60

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Solution

The fourth proportional to 359,273.20, 538,909.80 and 226,303.60 is: 339,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,273.20 : 538,909.80 = 226,303.60 : x
  2. Step 2: Convert to fraction form
    359,273.20/538,909.80 = 226,303.60/x
  3. Step 3: Cross multiply
    359,273.20x = 538,909.80 × 226,303.60
  4. Step 4: Simplify right side
    359,273.20x = 121,957,227,815.28
  5. Step 5: Solve for x
    x = 121,957,227,815.28/359,273.20
  6. Step 6: Final answer
    x = 339,455.40

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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.