Home / 313,011.28-469,535.93-88,388.65

Finding the Fourth Proportional to 313,011.28, 469,535.93 and 88,388.65

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Solution

The fourth proportional to 313,011.28, 469,535.93 and 88,388.65 is: 132,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,011.28 : 469,535.93 = 88,388.65 : x
  2. Step 2: Convert to fraction form
    313,011.28/469,535.93 = 88,388.65/x
  3. Step 3: Cross multiply
    313,011.28x = 469,535.93 × 88,388.65
  4. Step 4: Simplify right side
    313,011.28x = 41,501,646,979.19
  5. Step 5: Solve for x
    x = 41,501,646,979.19/313,011.28
  6. Step 6: Final answer
    x = 132,588.34

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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.