Home / 254,632.28-381,988.04-77,097.02

Finding the Fourth Proportional to 254,632.28, 381,988.04 and 77,097.02

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Solution

The fourth proportional to 254,632.28, 381,988.04 and 77,097.02 is: 115,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,632.28 : 381,988.04 = 77,097.02 : x
  2. Step 2: Convert to fraction form
    254,632.28/381,988.04 = 77,097.02/x
  3. Step 3: Cross multiply
    254,632.28x = 381,988.04 × 77,097.02
  4. Step 4: Simplify right side
    254,632.28x = 29,450,137,264.22
  5. Step 5: Solve for x
    x = 29,450,137,264.22/254,632.28
  6. Step 6: Final answer
    x = 115,657.52

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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.