Home / 376,463.23-519,371.09-215,231.65

Finding the Fourth Proportional to 376,463.23, 519,371.09 and 215,231.65

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Solution

The fourth proportional to 376,463.23, 519,371.09 and 215,231.65 is: 296,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,463.23 : 519,371.09 = 215,231.65 : x
  2. Step 2: Convert to fraction form
    376,463.23/519,371.09 = 215,231.65/x
  3. Step 3: Cross multiply
    376,463.23x = 519,371.09 × 215,231.65
  4. Step 4: Simplify right side
    376,463.23x = 111,785,095,095.53
  5. Step 5: Solve for x
    x = 111,785,095,095.53/376,463.23
  6. Step 6: Final answer
    x = 296,934.96

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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.