Home / 457,269.75-631,031.04-253,321.07

Finding the Fourth Proportional to 457,269.75, 631,031.04 and 253,321.07

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Solution

The fourth proportional to 457,269.75, 631,031.04 and 253,321.07 is: 349,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,269.75 : 631,031.04 = 253,321.07 : x
  2. Step 2: Convert to fraction form
    457,269.75/631,031.04 = 253,321.07/x
  3. Step 3: Cross multiply
    457,269.75x = 631,031.04 × 253,321.07
  4. Step 4: Simplify right side
    457,269.75x = 159,853,455,100.86
  5. Step 5: Solve for x
    x = 159,853,455,100.86/457,269.75
  6. Step 6: Final answer
    x = 349,582.40

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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.