Home / 313,296.10-469,962.27-88,637.72

Finding the Fourth Proportional to 313,296.10, 469,962.27 and 88,637.72

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Solution

The fourth proportional to 313,296.10, 469,962.27 and 88,637.72 is: 132,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,296.10 : 469,962.27 = 88,637.72 : x
  2. Step 2: Convert to fraction form
    313,296.10/469,962.27 = 88,637.72/x
  3. Step 3: Cross multiply
    313,296.10x = 469,962.27 × 88,637.72
  4. Step 4: Simplify right side
    313,296.10x = 41,656,381,749.01
  5. Step 5: Solve for x
    x = 41,656,381,749.01/313,296.10
  6. Step 6: Final answer
    x = 132,961.70

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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.