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Finding the Fourth Proportional to 265,487.53, 366,371.37 and 144,628.53

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Solution

The fourth proportional to 265,487.53, 366,371.37 and 144,628.53 is: 199,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,487.53 : 366,371.37 = 144,628.53 : x
  2. Step 2: Convert to fraction form
    265,487.53/366,371.37 = 144,628.53/x
  3. Step 3: Cross multiply
    265,487.53x = 366,371.37 × 144,628.53
  4. Step 4: Simplify right side
    265,487.53x = 52,987,752,496.38
  5. Step 5: Solve for x
    x = 52,987,752,496.38/265,487.53
  6. Step 6: Final answer
    x = 199,586.59

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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.