Home / 375,625.23-518,305.46-212,222.10

Finding the Fourth Proportional to 375,625.23, 518,305.46 and 212,222.10

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Solution

The fourth proportional to 375,625.23, 518,305.46 and 212,222.10 is: 292,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,625.23 : 518,305.46 = 212,222.10 : x
  2. Step 2: Convert to fraction form
    375,625.23/518,305.46 = 212,222.10/x
  3. Step 3: Cross multiply
    375,625.23x = 518,305.46 × 212,222.10
  4. Step 4: Simplify right side
    375,625.23x = 109,995,873,162.67
  5. Step 5: Solve for x
    x = 109,995,873,162.67/375,625.23
  6. Step 6: Final answer
    x = 292,834.09

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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.