Home / 305,343.23-457,793.40-205,255.17

Finding the Fourth Proportional to 305,343.23, 457,793.40 and 205,255.17

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Solution

The fourth proportional to 305,343.23, 457,793.40 and 205,255.17 is: 307,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,343.23 : 457,793.40 = 205,255.17 : x
  2. Step 2: Convert to fraction form
    305,343.23/457,793.40 = 205,255.17/x
  3. Step 3: Cross multiply
    305,343.23x = 457,793.40 × 205,255.17
  4. Step 4: Simplify right side
    305,343.23x = 93,964,462,911.58
  5. Step 5: Solve for x
    x = 93,964,462,911.58/305,343.23
  6. Step 6: Final answer
    x = 307,733.90

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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.