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Finding the Fourth Proportional to 265,381.52, 366,235.02 and 144,527.90

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Solution

The fourth proportional to 265,381.52, 366,235.02 and 144,527.90 is: 199,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,381.52 : 366,235.02 = 144,527.90 : x
  2. Step 2: Convert to fraction form
    265,381.52/366,235.02 = 144,527.90/x
  3. Step 3: Cross multiply
    265,381.52x = 366,235.02 × 144,527.90
  4. Step 4: Simplify right side
    265,381.52x = 52,931,176,515.88
  5. Step 5: Solve for x
    x = 52,931,176,515.88/265,381.52
  6. Step 6: Final answer
    x = 199,453.14

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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.