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Finding the Fourth Proportional to 250,518.89, 345,737.83 and 137,363.51

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Solution

The fourth proportional to 250,518.89, 345,737.83 and 137,363.51 is: 189,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,518.89 : 345,737.83 = 137,363.51 : x
  2. Step 2: Convert to fraction form
    250,518.89/345,737.83 = 137,363.51/x
  3. Step 3: Cross multiply
    250,518.89x = 345,737.83 × 137,363.51
  4. Step 4: Simplify right side
    250,518.89x = 47,491,761,868.58
  5. Step 5: Solve for x
    x = 47,491,761,868.58/250,518.89
  6. Step 6: Final answer
    x = 189,573.58

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1.5x scale

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.