Home / 245,742.24-368,613.12-77,261.76

Finding the Fourth Proportional to 245,742.24, 368,613.12 and 77,261.76

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Solution

The fourth proportional to 245,742.24, 368,613.12 and 77,261.76 is: 115,892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,742.24 : 368,613.12 = 77,261.76 : x
  2. Step 2: Convert to fraction form
    245,742.24/368,613.12 = 77,261.76/x
  3. Step 3: Cross multiply
    245,742.24x = 368,613.12 × 77,261.76
  4. Step 4: Simplify right side
    245,742.24x = 28,479,698,410.29
  5. Step 5: Solve for x
    x = 28,479,698,410.29/245,742.24
  6. Step 6: Final answer
    x = 115,892.56

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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.