Home / 217,279.70-325,822.35-98,890.10

Finding the Fourth Proportional to 217,279.70, 325,822.35 and 98,890.10

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Solution

The fourth proportional to 217,279.70, 325,822.35 and 98,890.10 is: 148,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,279.70 : 325,822.35 = 98,890.10 : x
  2. Step 2: Convert to fraction form
    217,279.70/325,822.35 = 98,890.10/x
  3. Step 3: Cross multiply
    217,279.70x = 325,822.35 × 98,890.10
  4. Step 4: Simplify right side
    217,279.70x = 32,220,604,773.74
  5. Step 5: Solve for x
    x = 32,220,604,773.74/217,279.70
  6. Step 6: Final answer
    x = 148,290.91

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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.