Home / 347,949.84-480,402.08-267,233.12

Finding the Fourth Proportional to 347,949.84, 480,402.08 and 267,233.12

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Solution

The fourth proportional to 347,949.84, 480,402.08 and 267,233.12 is: 368,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,949.84 : 480,402.08 = 267,233.12 : x
  2. Step 2: Convert to fraction form
    347,949.84/480,402.08 = 267,233.12/x
  3. Step 3: Cross multiply
    347,949.84x = 480,402.08 × 267,233.12
  4. Step 4: Simplify right side
    347,949.84x = 128,379,346,692.89
  5. Step 5: Solve for x
    x = 128,379,346,692.89/347,949.84
  6. Step 6: Final answer
    x = 368,959.35

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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.