Home / 253,815.57-380,724.23-64,275.89

Finding the Fourth Proportional to 253,815.57, 380,724.23 and 64,275.89

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Solution

The fourth proportional to 253,815.57, 380,724.23 and 64,275.89 is: 96,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,815.57 : 380,724.23 = 64,275.89 : x
  2. Step 2: Convert to fraction form
    253,815.57/380,724.23 = 64,275.89/x
  3. Step 3: Cross multiply
    253,815.57x = 380,724.23 × 64,275.89
  4. Step 4: Simplify right side
    253,815.57x = 24,471,386,984.88
  5. Step 5: Solve for x
    x = 24,471,386,984.88/253,815.57
  6. Step 6: Final answer
    x = 96,414.05

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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.