Home / 375,213.12-562,826.88-138,433.92

Finding the Fourth Proportional to 375,213.12, 562,826.88 and 138,433.92

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Solution

The fourth proportional to 375,213.12, 562,826.88 and 138,433.92 is: 207,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,213.12 : 562,826.88 = 138,433.92 : x
  2. Step 2: Convert to fraction form
    375,213.12/562,826.88 = 138,433.92/x
  3. Step 3: Cross multiply
    375,213.12x = 562,826.88 × 138,433.92
  4. Step 4: Simplify right side
    375,213.12x = 77,914,331,279.77
  5. Step 5: Solve for x
    x = 77,914,331,279.77/375,213.12
  6. Step 6: Final answer
    x = 207,653.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.