Home / 439,590.02-659,377.82-140,066.55

Finding the Fourth Proportional to 439,590.02, 659,377.82 and 140,066.55

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Solution

The fourth proportional to 439,590.02, 659,377.82 and 140,066.55 is: 210,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,590.02 : 659,377.82 = 140,066.55 : x
  2. Step 2: Convert to fraction form
    439,590.02/659,377.82 = 140,066.55/x
  3. Step 3: Cross multiply
    439,590.02x = 659,377.82 × 140,066.55
  4. Step 4: Simplify right side
    439,590.02x = 92,356,776,744.09
  5. Step 5: Solve for x
    x = 92,356,776,744.09/439,590.02
  6. Step 6: Final answer
    x = 210,097.53

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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.