Home / 370,115.12-510,721.00-215,042.24

Finding the Fourth Proportional to 370,115.12, 510,721.00 and 215,042.24

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Solution

The fourth proportional to 370,115.12, 510,721.00 and 215,042.24 is: 296,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,115.12 : 510,721.00 = 215,042.24 : x
  2. Step 2: Convert to fraction form
    370,115.12/510,721.00 = 215,042.24/x
  3. Step 3: Cross multiply
    370,115.12x = 510,721.00 × 215,042.24
  4. Step 4: Simplify right side
    370,115.12x = 109,826,588,594.24
  5. Step 5: Solve for x
    x = 109,826,588,594.24/370,115.12
  6. Step 6: Final answer
    x = 296,736.29

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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.