Home / 375,255.12-517,834.20-205,490.16

Finding the Fourth Proportional to 375,255.12, 517,834.20 and 205,490.16

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Solution

The fourth proportional to 375,255.12, 517,834.20 and 205,490.16 is: 283,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,255.12 : 517,834.20 = 205,490.16 : x
  2. Step 2: Convert to fraction form
    375,255.12/517,834.20 = 205,490.16/x
  3. Step 3: Cross multiply
    375,255.12x = 517,834.20 × 205,490.16
  4. Step 4: Simplify right side
    375,255.12x = 106,409,832,611.47
  5. Step 5: Solve for x
    x = 106,409,832,611.47/375,255.12
  6. Step 6: Final answer
    x = 283,566.64

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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.