Home / 305,664.75-457,424.46-245,545.50

Finding the Fourth Proportional to 305,664.75, 457,424.46 and 245,545.50

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Solution

The fourth proportional to 305,664.75, 457,424.46 and 245,545.50 is: 367,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,664.75 : 457,424.46 = 245,545.50 : x
  2. Step 2: Convert to fraction form
    305,664.75/457,424.46 = 245,545.50/x
  3. Step 3: Cross multiply
    305,664.75x = 457,424.46 × 245,545.50
  4. Step 4: Simplify right side
    305,664.75x = 112,318,517,742.93
  5. Step 5: Solve for x
    x = 112,318,517,742.93/305,664.75
  6. Step 6: Final answer
    x = 367,456.56

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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.