Home / 258,829.95-388,211.85-192,367.02

Finding the Fourth Proportional to 258,829.95, 388,211.85 and 192,367.02

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Solution

The fourth proportional to 258,829.95, 388,211.85 and 192,367.02 is: 288,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,829.95 : 388,211.85 = 192,367.02 : x
  2. Step 2: Convert to fraction form
    258,829.95/388,211.85 = 192,367.02/x
  3. Step 3: Cross multiply
    258,829.95x = 388,211.85 × 192,367.02
  4. Step 4: Simplify right side
    258,829.95x = 74,679,156,713.19
  5. Step 5: Solve for x
    x = 74,679,156,713.19/258,829.95
  6. Step 6: Final answer
    x = 288,525.95

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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.