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Finding the Fourth Proportional to 347,998.15, 480,468.81 and 267,281.38

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Solution

The fourth proportional to 347,998.15, 480,468.81 and 267,281.38 is: 369,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,998.15 : 480,468.81 = 267,281.38 : x
  2. Step 2: Convert to fraction form
    347,998.15/480,468.81 = 267,281.38/x
  3. Step 3: Cross multiply
    347,998.15x = 480,468.81 × 267,281.38
  4. Step 4: Simplify right side
    347,998.15x = 128,420,366,583.76
  5. Step 5: Solve for x
    x = 128,420,366,583.76/347,998.15
  6. Step 6: Final answer
    x = 369,026.00

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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.