Home / 206,495.16-309,677.10-140,360.28

Finding the Fourth Proportional to 206,495.16, 309,677.10 and 140,360.28

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Solution

The fourth proportional to 206,495.16, 309,677.10 and 140,360.28 is: 210,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,495.16 : 309,677.10 = 140,360.28 : x
  2. Step 2: Convert to fraction form
    206,495.16/309,677.10 = 140,360.28/x
  3. Step 3: Cross multiply
    206,495.16x = 309,677.10 × 140,360.28
  4. Step 4: Simplify right side
    206,495.16x = 43,466,364,465.59
  5. Step 5: Solve for x
    x = 43,466,364,465.59/206,495.16
  6. Step 6: Final answer
    x = 210,495.80

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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.