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Finding the Fourth Proportional to 348,002.65, 480,475.02 and 267,285.88

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Solution

The fourth proportional to 348,002.65, 480,475.02 and 267,285.88 is: 369,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,002.65 : 480,475.02 = 267,285.88 : x
  2. Step 2: Convert to fraction form
    348,002.65/480,475.02 = 267,285.88/x
  3. Step 3: Cross multiply
    348,002.65x = 480,475.02 × 267,285.88
  4. Step 4: Simplify right side
    348,002.65x = 128,424,188,538.72
  5. Step 5: Solve for x
    x = 128,424,188,538.72/348,002.65
  6. Step 6: Final answer
    x = 369,032.21

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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.