Home / 206,036.73-309,005.15-56,277.72

Finding the Fourth Proportional to 206,036.73, 309,005.15 and 56,277.72

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Solution

The fourth proportional to 206,036.73, 309,005.15 and 56,277.72 is: 84,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,036.73 : 309,005.15 = 56,277.72 : x
  2. Step 2: Convert to fraction form
    206,036.73/309,005.15 = 56,277.72/x
  3. Step 3: Cross multiply
    206,036.73x = 309,005.15 × 56,277.72
  4. Step 4: Simplify right side
    206,036.73x = 17,390,105,028.87
  5. Step 5: Solve for x
    x = 17,390,105,028.87/206,036.73
  6. Step 6: Final answer
    x = 84,402.94

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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.