Home / 371,723.92-512,980.26-210,608.80

Finding the Fourth Proportional to 371,723.92, 512,980.26 and 210,608.80

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Solution

The fourth proportional to 371,723.92, 512,980.26 and 210,608.80 is: 290,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,723.92 : 512,980.26 = 210,608.80 : x
  2. Step 2: Convert to fraction form
    371,723.92/512,980.26 = 210,608.80/x
  3. Step 3: Cross multiply
    371,723.92x = 512,980.26 × 210,608.80
  4. Step 4: Simplify right side
    371,723.92x = 108,038,156,982.29
  5. Step 5: Solve for x
    x = 108,038,156,982.29/371,723.92
  6. Step 6: Final answer
    x = 290,640.85

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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.