Home / 347,982.40-480,447.08-267,265.63

Finding the Fourth Proportional to 347,982.40, 480,447.08 and 267,265.63

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Solution

The fourth proportional to 347,982.40, 480,447.08 and 267,265.63 is: 369,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,982.40 : 480,447.08 = 267,265.63 : x
  2. Step 2: Convert to fraction form
    347,982.40/480,447.08 = 267,265.63/x
  3. Step 3: Cross multiply
    347,982.40x = 480,447.08 × 267,265.63
  4. Step 4: Simplify right side
    347,982.40x = 128,406,991,517.86
  5. Step 5: Solve for x
    x = 128,406,991,517.86/347,982.40
  6. Step 6: Final answer
    x = 369,004.27

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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.