Home / 384,209.24-576,388.56-147,534.52

Finding the Fourth Proportional to 384,209.24, 576,388.56 and 147,534.52

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Solution

The fourth proportional to 384,209.24, 576,388.56 and 147,534.52 is: 221,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,209.24 : 576,388.56 = 147,534.52 : x
  2. Step 2: Convert to fraction form
    384,209.24/576,388.56 = 147,534.52/x
  3. Step 3: Cross multiply
    384,209.24x = 576,388.56 × 147,534.52
  4. Step 4: Simplify right side
    384,209.24x = 85,037,209,533.09
  5. Step 5: Solve for x
    x = 85,037,209,533.09/384,209.24
  6. Step 6: Final answer
    x = 221,330.46

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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.