Home / 217,923.33-300,627.41-137,312.13

Finding the Fourth Proportional to 217,923.33, 300,627.41 and 137,312.13

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Solution

The fourth proportional to 217,923.33, 300,627.41 and 137,312.13 is: 189,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,923.33 : 300,627.41 = 137,312.13 : x
  2. Step 2: Convert to fraction form
    217,923.33/300,627.41 = 137,312.13/x
  3. Step 3: Cross multiply
    217,923.33x = 300,627.41 × 137,312.13
  4. Step 4: Simplify right side
    217,923.33x = 41,279,789,316.92
  5. Step 5: Solve for x
    x = 41,279,789,316.92/217,923.33
  6. Step 6: Final answer
    x = 189,423.45

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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.