Home / 305,740.92-457,424.82-268,017.24

Finding the Fourth Proportional to 305,740.92, 457,424.82 and 268,017.24

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Solution

The fourth proportional to 305,740.92, 457,424.82 and 268,017.24 is: 400,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,740.92 : 457,424.82 = 268,017.24 : x
  2. Step 2: Convert to fraction form
    305,740.92/457,424.82 = 268,017.24/x
  3. Step 3: Cross multiply
    305,740.92x = 457,424.82 × 268,017.24
  4. Step 4: Simplify right side
    305,740.92x = 122,597,737,763.90
  5. Step 5: Solve for x
    x = 122,597,737,763.90/305,740.92
  6. Step 6: Final answer
    x = 400,985.70

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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.