Home / 245,775.27-368,806.21-103,611.85

Finding the Fourth Proportional to 245,775.27, 368,806.21 and 103,611.85

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Solution

The fourth proportional to 245,775.27, 368,806.21 and 103,611.85 is: 155,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,775.27 : 368,806.21 = 103,611.85 : x
  2. Step 2: Convert to fraction form
    245,775.27/368,806.21 = 103,611.85/x
  3. Step 3: Cross multiply
    245,775.27x = 368,806.21 × 103,611.85
  4. Step 4: Simplify right side
    245,775.27x = 38,212,692,528.54
  5. Step 5: Solve for x
    x = 38,212,692,528.54/245,775.27
  6. Step 6: Final answer
    x = 155,478.18

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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.