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Finding the Fourth Proportional to 457,548.96, 631,401.36 and 253,618.80

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Solution

The fourth proportional to 457,548.96, 631,401.36 and 253,618.80 is: 349,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,548.96 : 631,401.36 = 253,618.80 : x
  2. Step 2: Convert to fraction form
    457,548.96/631,401.36 = 253,618.80/x
  3. Step 3: Cross multiply
    457,548.96x = 631,401.36 × 253,618.80
  4. Step 4: Simplify right side
    457,548.96x = 160,135,255,241.57
  5. Step 5: Solve for x
    x = 160,135,255,241.57/457,548.96
  6. Step 6: Final answer
    x = 349,984.96

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1.5x scale

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.