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Finding the Fourth Proportional to 347,960.34, 480,416.64 and 267,243.66

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Solution

The fourth proportional to 347,960.34, 480,416.64 and 267,243.66 is: 368,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,960.34 : 480,416.64 = 267,243.66 : x
  2. Step 2: Convert to fraction form
    347,960.34/480,416.64 = 267,243.66/x
  3. Step 3: Cross multiply
    347,960.34x = 480,416.64 × 267,243.66
  4. Step 4: Simplify right side
    347,960.34x = 128,388,301,198.50
  5. Step 5: Solve for x
    x = 128,388,301,198.50/347,960.34
  6. Step 6: Final answer
    x = 368,973.95

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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.