Home / 438,569.50-605,240.58-268,770.82

Finding the Fourth Proportional to 438,569.50, 605,240.58 and 268,770.82

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Solution

The fourth proportional to 438,569.50, 605,240.58 and 268,770.82 is: 370,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,569.50 : 605,240.58 = 268,770.82 : x
  2. Step 2: Convert to fraction form
    438,569.50/605,240.58 = 268,770.82/x
  3. Step 3: Cross multiply
    438,569.50x = 605,240.58 × 268,770.82
  4. Step 4: Simplify right side
    438,569.50x = 162,671,006,983.88
  5. Step 5: Solve for x
    x = 162,671,006,983.88/438,569.50
  6. Step 6: Final answer
    x = 370,912.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.