Home / 253,787.24-380,265.56-153,643.92

Finding the Fourth Proportional to 253,787.24, 380,265.56 and 153,643.92

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Solution

The fourth proportional to 253,787.24, 380,265.56 and 153,643.92 is: 230,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,787.24 : 380,265.56 = 153,643.92 : x
  2. Step 2: Convert to fraction form
    253,787.24/380,265.56 = 153,643.92/x
  3. Step 3: Cross multiply
    253,787.24x = 380,265.56 × 153,643.92
  4. Step 4: Simplify right side
    253,787.24x = 58,425,491,279.40
  5. Step 5: Solve for x
    x = 58,425,491,279.40/253,787.24
  6. Step 6: Final answer
    x = 230,214.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.