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Finding the Fourth Proportional to 347,955.60, 480,410.01 and 267,238.88

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Solution

The fourth proportional to 347,955.60, 480,410.01 and 267,238.88 is: 368,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,955.60 : 480,410.01 = 267,238.88 : x
  2. Step 2: Convert to fraction form
    347,955.60/480,410.01 = 267,238.88/x
  3. Step 3: Cross multiply
    347,955.60x = 480,410.01 × 267,238.88
  4. Step 4: Simplify right side
    347,955.60x = 128,384,230,611.14
  5. Step 5: Solve for x
    x = 128,384,230,611.14/347,955.60
  6. Step 6: Final answer
    x = 368,967.28

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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.