Home / 389,981.37-584,589.33-200,532.50

Finding the Fourth Proportional to 389,981.37, 584,589.33 and 200,532.50

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Solution

The fourth proportional to 389,981.37, 584,589.33 and 200,532.50 is: 300,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,981.37 : 584,589.33 = 200,532.50 : x
  2. Step 2: Convert to fraction form
    389,981.37/584,589.33 = 200,532.50/x
  3. Step 3: Cross multiply
    389,981.37x = 584,589.33 × 200,532.50
  4. Step 4: Simplify right side
    389,981.37x = 117,229,159,818.23
  5. Step 5: Solve for x
    x = 117,229,159,818.23/389,981.37
  6. Step 6: Final answer
    x = 300,601.95

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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.