Home / 328,264.40-452,704.20-215,149.52

Finding the Fourth Proportional to 328,264.40, 452,704.20 and 215,149.52

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Solution

The fourth proportional to 328,264.40, 452,704.20 and 215,149.52 is: 296,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,264.40 : 452,704.20 = 215,149.52 : x
  2. Step 2: Convert to fraction form
    328,264.40/452,704.20 = 215,149.52/x
  3. Step 3: Cross multiply
    328,264.40x = 452,704.20 × 215,149.52
  4. Step 4: Simplify right side
    328,264.40x = 97,399,091,331.98
  5. Step 5: Solve for x
    x = 97,399,091,331.98/328,264.40
  6. Step 6: Final answer
    x = 296,709.27

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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.