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Finding the Fourth Proportional to 371,474.59, 512,634.94 and 201,708.72

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Solution

The fourth proportional to 371,474.59, 512,634.94 and 201,708.72 is: 278,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,474.59 : 512,634.94 = 201,708.72 : x
  2. Step 2: Convert to fraction form
    371,474.59/512,634.94 = 201,708.72/x
  3. Step 3: Cross multiply
    371,474.59x = 512,634.94 × 201,708.72
  4. Step 4: Simplify right side
    371,474.59x = 103,402,937,574.68
  5. Step 5: Solve for x
    x = 103,402,937,574.68/371,474.59
  6. Step 6: Final answer
    x = 278,358.04

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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.