Home / 286,517.28-429,775.44-76,155.23

Finding the Fourth Proportional to 286,517.28, 429,775.44 and 76,155.23

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Solution

The fourth proportional to 286,517.28, 429,775.44 and 76,155.23 is: 114,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,517.28 : 429,775.44 = 76,155.23 : x
  2. Step 2: Convert to fraction form
    286,517.28/429,775.44 = 76,155.23/x
  3. Step 3: Cross multiply
    286,517.28x = 429,775.44 × 76,155.23
  4. Step 4: Simplify right side
    286,517.28x = 32,729,645,332.67
  5. Step 5: Solve for x
    x = 32,729,645,332.67/286,517.28
  6. Step 6: Final answer
    x = 114,232.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.