Home / 286,180.21-429,278.46-75,818.17

Finding the Fourth Proportional to 286,180.21, 429,278.46 and 75,818.17

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Solution

The fourth proportional to 286,180.21, 429,278.46 and 75,818.17 is: 113,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,180.21 : 429,278.46 = 75,818.17 : x
  2. Step 2: Convert to fraction form
    286,180.21/429,278.46 = 75,818.17/x
  3. Step 3: Cross multiply
    286,180.21x = 429,278.46 × 75,818.17
  4. Step 4: Simplify right side
    286,180.21x = 32,547,107,257.62
  5. Step 5: Solve for x
    x = 32,547,107,257.62/286,180.21
  6. Step 6: Final answer
    x = 113,729.41

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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.