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Finding the Fourth Proportional to 265,305.31, 366,119.12 and 144,446.36

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Solution

The fourth proportional to 265,305.31, 366,119.12 and 144,446.36 is: 199,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,305.31 : 366,119.12 = 144,446.36 : x
  2. Step 2: Convert to fraction form
    265,305.31/366,119.12 = 144,446.36/x
  3. Step 3: Cross multiply
    265,305.31x = 366,119.12 × 144,446.36
  4. Step 4: Simplify right side
    265,305.31x = 52,884,572,740.92
  5. Step 5: Solve for x
    x = 52,884,572,740.92/265,305.31
  6. Step 6: Final answer
    x = 199,334.77

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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.