Home / 278,293.92-384,045.44-150,969.53

Finding the Fourth Proportional to 278,293.92, 384,045.44 and 150,969.53

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Solution

The fourth proportional to 278,293.92, 384,045.44 and 150,969.53 is: 208,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,293.92 : 384,045.44 = 150,969.53 : x
  2. Step 2: Convert to fraction form
    278,293.92/384,045.44 = 150,969.53/x
  3. Step 3: Cross multiply
    278,293.92x = 384,045.44 × 150,969.53
  4. Step 4: Simplify right side
    278,293.92x = 57,979,156,900.37
  5. Step 5: Solve for x
    x = 57,979,156,900.37/278,293.92
  6. Step 6: Final answer
    x = 208,337.85

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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.