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Finding the Fourth Proportional to 457,254.84, 631,011.55 and 253,319.01

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Solution

The fourth proportional to 457,254.84, 631,011.55 and 253,319.01 is: 349,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,254.84 : 631,011.55 = 253,319.01 : x
  2. Step 2: Convert to fraction form
    457,254.84/631,011.55 = 253,319.01/x
  3. Step 3: Cross multiply
    457,254.84x = 631,011.55 × 253,319.01
  4. Step 4: Simplify right side
    457,254.84x = 159,847,221,144.57
  5. Step 5: Solve for x
    x = 159,847,221,144.57/457,254.84
  6. Step 6: Final answer
    x = 349,580.16

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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.