Home / 313,719.76-432,921.76-170,476.72

Finding the Fourth Proportional to 313,719.76, 432,921.76 and 170,476.72

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Solution

The fourth proportional to 313,719.76, 432,921.76 and 170,476.72 is: 235,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,719.76 : 432,921.76 = 170,476.72 : x
  2. Step 2: Convert to fraction form
    313,719.76/432,921.76 = 170,476.72/x
  3. Step 3: Cross multiply
    313,719.76x = 432,921.76 × 170,476.72
  4. Step 4: Simplify right side
    313,719.76x = 73,803,081,661.43
  5. Step 5: Solve for x
    x = 73,803,081,661.43/313,719.76
  6. Step 6: Final answer
    x = 235,251.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.