Home / 358,715.20-537,878.40-148,115.20

Finding the Fourth Proportional to 358,715.20, 537,878.40 and 148,115.20

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Solution

The fourth proportional to 358,715.20, 537,878.40 and 148,115.20 is: 222,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,715.20 : 537,878.40 = 148,115.20 : x
  2. Step 2: Convert to fraction form
    358,715.20/537,878.40 = 148,115.20/x
  3. Step 3: Cross multiply
    358,715.20x = 537,878.40 × 148,115.20
  4. Step 4: Simplify right side
    358,715.20x = 79,667,966,791.68
  5. Step 5: Solve for x
    x = 79,667,966,791.68/358,715.20
  6. Step 6: Final answer
    x = 222,092.53

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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.