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Finding the Fourth Proportional to 261,254.17, 392,055.81 and 95,042.17

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Solution

The fourth proportional to 261,254.17, 392,055.81 and 95,042.17 is: 142,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,254.17 : 392,055.81 = 95,042.17 : x
  2. Step 2: Convert to fraction form
    261,254.17/392,055.81 = 95,042.17/x
  3. Step 3: Cross multiply
    261,254.17x = 392,055.81 × 95,042.17
  4. Step 4: Simplify right side
    261,254.17x = 37,261,834,943.51
  5. Step 5: Solve for x
    x = 37,261,834,943.51/261,254.17
  6. Step 6: Final answer
    x = 142,626.76

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1.5x scale

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.