Home / 219,742.74-329,647.01-79,534.17

Finding the Fourth Proportional to 219,742.74, 329,647.01 and 79,534.17

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Solution

The fourth proportional to 219,742.74, 329,647.01 and 79,534.17 is: 119,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,742.74 : 329,647.01 = 79,534.17 : x
  2. Step 2: Convert to fraction form
    219,742.74/329,647.01 = 79,534.17/x
  3. Step 3: Cross multiply
    219,742.74x = 329,647.01 × 79,534.17
  4. Step 4: Simplify right side
    219,742.74x = 26,218,200,935.66
  5. Step 5: Solve for x
    x = 26,218,200,935.66/219,742.74
  6. Step 6: Final answer
    x = 119,313.16

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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.