Home / 457,433.19-631,261.52-253,487.54

Finding the Fourth Proportional to 457,433.19, 631,261.52 and 253,487.54

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Solution

The fourth proportional to 457,433.19, 631,261.52 and 253,487.54 is: 349,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,433.19 : 631,261.52 = 253,487.54 : x
  2. Step 2: Convert to fraction form
    457,433.19/631,261.52 = 253,487.54/x
  3. Step 3: Cross multiply
    457,433.19x = 631,261.52 × 253,487.54
  4. Step 4: Simplify right side
    457,433.19x = 160,016,929,801.46
  5. Step 5: Solve for x
    x = 160,016,929,801.46/457,433.19
  6. Step 6: Final answer
    x = 349,814.87

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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.