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Finding the Fourth Proportional to 347,954.10, 480,407.94 and 267,237.38

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Solution

The fourth proportional to 347,954.10, 480,407.94 and 267,237.38 is: 368,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,954.10 : 480,407.94 = 267,237.38 : x
  2. Step 2: Convert to fraction form
    347,954.10/480,407.94 = 267,237.38/x
  3. Step 3: Cross multiply
    347,954.10x = 480,407.94 × 267,237.38
  4. Step 4: Simplify right side
    347,954.10x = 128,382,956,814.76
  5. Step 5: Solve for x
    x = 128,382,956,814.76/347,954.10
  6. Step 6: Final answer
    x = 368,965.21

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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.