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Finding the Fourth Proportional to 307,603.54, 424,503.06 and 178,532.33

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Solution

The fourth proportional to 307,603.54, 424,503.06 and 178,532.33 is: 246,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,603.54 : 424,503.06 = 178,532.33 : x
  2. Step 2: Convert to fraction form
    307,603.54/424,503.06 = 178,532.33/x
  3. Step 3: Cross multiply
    307,603.54x = 424,503.06 × 178,532.33
  4. Step 4: Simplify right side
    307,603.54x = 75,787,520,393.93
  5. Step 5: Solve for x
    x = 75,787,520,393.93/307,603.54
  6. Step 6: Final answer
    x = 246,380.52

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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.