Home / 313,137.09-469,722.65-88,515.18

Finding the Fourth Proportional to 313,137.09, 469,722.65 and 88,515.18

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Solution

The fourth proportional to 313,137.09, 469,722.65 and 88,515.18 is: 132,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,137.09 : 469,722.65 = 88,515.18 : x
  2. Step 2: Convert to fraction form
    313,137.09/469,722.65 = 88,515.18/x
  3. Step 3: Cross multiply
    313,137.09x = 469,722.65 × 88,515.18
  4. Step 4: Simplify right side
    313,137.09x = 41,577,584,472.25
  5. Step 5: Solve for x
    x = 41,577,584,472.25/313,137.09
  6. Step 6: Final answer
    x = 132,777.58

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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.