Home / 254,734.47-382,156.92-77,255.10

Finding the Fourth Proportional to 254,734.47, 382,156.92 and 77,255.10

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Solution

The fourth proportional to 254,734.47, 382,156.92 and 77,255.10 is: 115,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,734.47 : 382,156.92 = 77,255.10 : x
  2. Step 2: Convert to fraction form
    254,734.47/382,156.92 = 77,255.10/x
  3. Step 3: Cross multiply
    254,734.47x = 382,156.92 × 77,255.10
  4. Step 4: Simplify right side
    254,734.47x = 29,523,571,070.29
  5. Step 5: Solve for x
    x = 29,523,571,070.29/254,734.47
  6. Step 6: Final answer
    x = 115,899.40

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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.