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Finding the Fourth Proportional to 245,350.28, 368,025.39 and 79,138.28

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Solution

The fourth proportional to 245,350.28, 368,025.39 and 79,138.28 is: 118,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,350.28 : 368,025.39 = 79,138.28 : x
  2. Step 2: Convert to fraction form
    245,350.28/368,025.39 = 79,138.28/x
  3. Step 3: Cross multiply
    245,350.28x = 368,025.39 × 79,138.28
  4. Step 4: Simplify right side
    245,350.28x = 29,124,896,360.93
  5. Step 5: Solve for x
    x = 29,124,896,360.93/245,350.28
  6. Step 6: Final answer
    x = 118,707.41

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1.5x scale

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.