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Finding the Fourth Proportional to 457,583.55, 631,486.41 and 253,638.84

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Solution

The fourth proportional to 457,583.55, 631,486.41 and 253,638.84 is: 350,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,583.55 : 631,486.41 = 253,638.84 : x
  2. Step 2: Convert to fraction form
    457,583.55/631,486.41 = 253,638.84/x
  3. Step 3: Cross multiply
    457,583.55x = 631,486.41 × 253,638.84
  4. Step 4: Simplify right side
    457,583.55x = 160,169,480,508.16
  5. Step 5: Solve for x
    x = 160,169,480,508.16/457,583.55
  6. Step 6: Final answer
    x = 350,033.30

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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.