Home / 485,241.22-669,623.86-270,376.71

Finding the Fourth Proportional to 485,241.22, 669,623.86 and 270,376.71

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Solution

The fourth proportional to 485,241.22, 669,623.86 and 270,376.71 is: 373,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,241.22 : 669,623.86 = 270,376.71 : x
  2. Step 2: Convert to fraction form
    485,241.22/669,623.86 = 270,376.71/x
  3. Step 3: Cross multiply
    485,241.22x = 669,623.86 × 270,376.71
  4. Step 4: Simplify right side
    485,241.22x = 181,050,696,204.30
  5. Step 5: Solve for x
    x = 181,050,696,204.30/485,241.22
  6. Step 6: Final answer
    x = 373,114.83

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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.