Home / 328,250.18-453,115.71-282,127.25

Finding the Fourth Proportional to 328,250.18, 453,115.71 and 282,127.25

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Solution

The fourth proportional to 328,250.18, 453,115.71 and 282,127.25 is: 389,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,250.18 : 453,115.71 = 282,127.25 : x
  2. Step 2: Convert to fraction form
    328,250.18/453,115.71 = 282,127.25/x
  3. Step 3: Cross multiply
    328,250.18x = 453,115.71 × 282,127.25
  4. Step 4: Simplify right side
    328,250.18x = 127,836,286,928.52
  5. Step 5: Solve for x
    x = 127,836,286,928.52/328,250.18
  6. Step 6: Final answer
    x = 389,447.73

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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.