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Finding the Fourth Proportional to 482,475, 665,816.04 and 281,309.88

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Solution

The fourth proportional to 482,475, 665,816.04 and 281,309.88 is: 388,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,475 : 665,816.04 = 281,309.88 : x
  2. Step 2: Convert to fraction form
    482,475/665,816.04 = 281,309.88/x
  3. Step 3: Cross multiply
    482,475x = 665,816.04 × 281,309.88
  4. Step 4: Simplify right side
    482,475x = 187,300,630,314.48
  5. Step 5: Solve for x
    x = 187,300,630,314.48/482,475
  6. Step 6: Final answer
    x = 388,207.95

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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.