Home / 461,196.66-691,758.07-205,108.52

Finding the Fourth Proportional to 461,196.66, 691,758.07 and 205,108.52

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Solution

The fourth proportional to 461,196.66, 691,758.07 and 205,108.52 is: 307,646.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,196.66 : 691,758.07 = 205,108.52 : x
  2. Step 2: Convert to fraction form
    461,196.66/691,758.07 = 205,108.52/x
  3. Step 3: Cross multiply
    461,196.66x = 691,758.07 × 205,108.52
  4. Step 4: Simplify right side
    461,196.66x = 141,885,475,152.38
  5. Step 5: Solve for x
    x = 141,885,475,152.38/461,196.66
  6. Step 6: Final answer
    x = 307,646.36

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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.