Home / 388,838.27-583,257.41-122,625.69

Finding the Fourth Proportional to 388,838.27, 583,257.41 and 122,625.69

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Solution

The fourth proportional to 388,838.27, 583,257.41 and 122,625.69 is: 183,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,838.27 : 583,257.41 = 122,625.69 : x
  2. Step 2: Convert to fraction form
    388,838.27/583,257.41 = 122,625.69/x
  3. Step 3: Cross multiply
    388,838.27x = 583,257.41 × 122,625.69
  4. Step 4: Simplify right side
    388,838.27x = 71,522,342,348.86
  5. Step 5: Solve for x
    x = 71,522,342,348.86/388,838.27
  6. Step 6: Final answer
    x = 183,938.54

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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.