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Finding the Fourth Proportional to 302,371.68, 451,314.96 and 266,941.92

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Solution

The fourth proportional to 302,371.68, 451,314.96 and 266,941.92 is: 398,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,371.68 : 451,314.96 = 266,941.92 : x
  2. Step 2: Convert to fraction form
    302,371.68/451,314.96 = 266,941.92/x
  3. Step 3: Cross multiply
    302,371.68x = 451,314.96 × 266,941.92
  4. Step 4: Simplify right side
    302,371.68x = 120,474,881,947.12
  5. Step 5: Solve for x
    x = 120,474,881,947.12/302,371.68
  6. Step 6: Final answer
    x = 398,433.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.