Home / 278,098.11-383,775.57-150,774.21

Finding the Fourth Proportional to 278,098.11, 383,775.57 and 150,774.21

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Solution

The fourth proportional to 278,098.11, 383,775.57 and 150,774.21 is: 208,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,098.11 : 383,775.57 = 150,774.21 : x
  2. Step 2: Convert to fraction form
    278,098.11/383,775.57 = 150,774.21/x
  3. Step 3: Cross multiply
    278,098.11x = 383,775.57 × 150,774.21
  4. Step 4: Simplify right side
    278,098.11x = 57,863,458,384.05
  5. Step 5: Solve for x
    x = 57,863,458,384.05/278,098.11
  6. Step 6: Final answer
    x = 208,068.51

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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.