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Finding the Fourth Proportional to 347,955.35, 480,409.67 and 267,238.63

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Solution

The fourth proportional to 347,955.35, 480,409.67 and 267,238.63 is: 368,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,955.35 : 480,409.67 = 267,238.63 : x
  2. Step 2: Convert to fraction form
    347,955.35/480,409.67 = 267,238.63/x
  3. Step 3: Cross multiply
    347,955.35x = 480,409.67 × 267,238.63
  4. Step 4: Simplify right side
    347,955.35x = 128,384,018,311.31
  5. Step 5: Solve for x
    x = 128,384,018,311.31/347,955.35
  6. Step 6: Final answer
    x = 368,966.93

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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.