Home / 457,188.10-631,227.85-285,367.79

Finding the Fourth Proportional to 457,188.10, 631,227.85 and 285,367.79

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Solution

The fourth proportional to 457,188.10, 631,227.85 and 285,367.79 is: 393,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,188.10 : 631,227.85 = 285,367.79 : x
  2. Step 2: Convert to fraction form
    457,188.10/631,227.85 = 285,367.79/x
  3. Step 3: Cross multiply
    457,188.10x = 631,227.85 × 285,367.79
  4. Step 4: Simplify right side
    457,188.10x = 180,132,097,405.60
  5. Step 5: Solve for x
    x = 180,132,097,405.60/457,188.10
  6. Step 6: Final answer
    x = 393,999.97

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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.