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Finding the Fourth Proportional to 347,877.15, 480,300.75 and 267,159.84

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Solution

The fourth proportional to 347,877.15, 480,300.75 and 267,159.84 is: 368,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,877.15 : 480,300.75 = 267,159.84 : x
  2. Step 2: Convert to fraction form
    347,877.15/480,300.75 = 267,159.84/x
  3. Step 3: Cross multiply
    347,877.15x = 480,300.75 × 267,159.84
  4. Step 4: Simplify right side
    347,877.15x = 128,317,071,521.88
  5. Step 5: Solve for x
    x = 128,317,071,521.88/347,877.15
  6. Step 6: Final answer
    x = 368,857.43

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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.