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Finding the Fourth Proportional to 265,260.01, 366,047.61 and 144,398.78

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Solution

The fourth proportional to 265,260.01, 366,047.61 and 144,398.78 is: 199,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,260.01 : 366,047.61 = 144,398.78 : x
  2. Step 2: Convert to fraction form
    265,260.01/366,047.61 = 144,398.78/x
  3. Step 3: Cross multiply
    265,260.01x = 366,047.61 × 144,398.78
  4. Step 4: Simplify right side
    265,260.01x = 52,856,828,305.92
  5. Step 5: Solve for x
    x = 52,856,828,305.92/265,260.01
  6. Step 6: Final answer
    x = 199,264.22

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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.