Home / 359,857.12-496,617.60-223,971.52

Finding the Fourth Proportional to 359,857.12, 496,617.60 and 223,971.52

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Solution

The fourth proportional to 359,857.12, 496,617.60 and 223,971.52 is: 309,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,857.12 : 496,617.60 = 223,971.52 : x
  2. Step 2: Convert to fraction form
    359,857.12/496,617.60 = 223,971.52/x
  3. Step 3: Cross multiply
    359,857.12x = 496,617.60 × 223,971.52
  4. Step 4: Simplify right side
    359,857.12x = 111,228,198,730.75
  5. Step 5: Solve for x
    x = 111,228,198,730.75/359,857.12
  6. Step 6: Final answer
    x = 309,089.89

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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.