Home / 208,422.32-312,626.18-88,402.19

Finding the Fourth Proportional to 208,422.32, 312,626.18 and 88,402.19

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Solution

The fourth proportional to 208,422.32, 312,626.18 and 88,402.19 is: 132,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,422.32 : 312,626.18 = 88,402.19 : x
  2. Step 2: Convert to fraction form
    208,422.32/312,626.18 = 88,402.19/x
  3. Step 3: Cross multiply
    208,422.32x = 312,626.18 × 88,402.19
  4. Step 4: Simplify right side
    208,422.32x = 27,636,837,621.21
  5. Step 5: Solve for x
    x = 27,636,837,621.21/208,422.32
  6. Step 6: Final answer
    x = 132,600.19

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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.