Home / 347,309.64-478,827.86-250,432.43

Finding the Fourth Proportional to 347,309.64, 478,827.86 and 250,432.43

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Solution

The fourth proportional to 347,309.64, 478,827.86 and 250,432.43 is: 345,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,309.64 : 478,827.86 = 250,432.43 : x
  2. Step 2: Convert to fraction form
    347,309.64/478,827.86 = 250,432.43/x
  3. Step 3: Cross multiply
    347,309.64x = 478,827.86 × 250,432.43
  4. Step 4: Simplify right side
    347,309.64x = 119,914,020,885.20
  5. Step 5: Solve for x
    x = 119,914,020,885.20/347,309.64
  6. Step 6: Final answer
    x = 345,265.46

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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.