Home / 359,631.32-496,288.77-198,486.36

Finding the Fourth Proportional to 359,631.32, 496,288.77 and 198,486.36

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Solution

The fourth proportional to 359,631.32, 496,288.77 and 198,486.36 is: 273,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,631.32 : 496,288.77 = 198,486.36 : x
  2. Step 2: Convert to fraction form
    359,631.32/496,288.77 = 198,486.36/x
  3. Step 3: Cross multiply
    359,631.32x = 496,288.77 × 198,486.36
  4. Step 4: Simplify right side
    359,631.32x = 98,506,551,466.18
  5. Step 5: Solve for x
    x = 98,506,551,466.18/359,631.32
  6. Step 6: Final answer
    x = 273,909.83

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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.