Home / 312,869.93-431,769.00-176,924.22

Finding the Fourth Proportional to 312,869.93, 431,769.00 and 176,924.22

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Solution

The fourth proportional to 312,869.93, 431,769.00 and 176,924.22 is: 244,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,869.93 : 431,769.00 = 176,924.22 : x
  2. Step 2: Convert to fraction form
    312,869.93/431,769.00 = 176,924.22/x
  3. Step 3: Cross multiply
    312,869.93x = 431,769.00 × 176,924.22
  4. Step 4: Simplify right side
    312,869.93x = 76,390,391,594.31
  5. Step 5: Solve for x
    x = 76,390,391,594.31/312,869.93
  6. Step 6: Final answer
    x = 244,160.23

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1.5x scale

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.