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Finding the Fourth Proportional to 359,499.88, 496,289.62 and 223,577.62

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Solution

The fourth proportional to 359,499.88, 496,289.62 and 223,577.62 is: 308,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,499.88 : 496,289.62 = 223,577.62 : x
  2. Step 2: Convert to fraction form
    359,499.88/496,289.62 = 223,577.62/x
  3. Step 3: Cross multiply
    359,499.88x = 496,289.62 × 223,577.62
  4. Step 4: Simplify right side
    359,499.88x = 110,959,252,070.30
  5. Step 5: Solve for x
    x = 110,959,252,070.30/359,499.88
  6. Step 6: Final answer
    x = 308,648.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.