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Finding the Fourth Proportional to 265,431.59, 366,282.96 and 144,572.30

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Solution

The fourth proportional to 265,431.59, 366,282.96 and 144,572.30 is: 199,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,431.59 : 366,282.96 = 144,572.30 : x
  2. Step 2: Convert to fraction form
    265,431.59/366,282.96 = 144,572.30/x
  3. Step 3: Cross multiply
    265,431.59x = 366,282.96 × 144,572.30
  4. Step 4: Simplify right side
    265,431.59x = 52,954,368,146.59
  5. Step 5: Solve for x
    x = 52,954,368,146.59/265,431.59
  6. Step 6: Final answer
    x = 199,502.89

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1.5x scale

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.