Home / 217,624.32-326,497.44-77,397.12

Finding the Fourth Proportional to 217,624.32, 326,497.44 and 77,397.12

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Solution

The fourth proportional to 217,624.32, 326,497.44 and 77,397.12 is: 116,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,624.32 : 326,497.44 = 77,397.12 : x
  2. Step 2: Convert to fraction form
    217,624.32/326,497.44 = 77,397.12/x
  3. Step 3: Cross multiply
    217,624.32x = 326,497.44 × 77,397.12
  4. Step 4: Simplify right side
    217,624.32x = 25,269,961,543.37
  5. Step 5: Solve for x
    x = 25,269,961,543.37/217,624.32
  6. Step 6: Final answer
    x = 116,117.36

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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.