Home / 385,824.87-532,443.66-222,478.52

Finding the Fourth Proportional to 385,824.87, 532,443.66 and 222,478.52

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Solution

The fourth proportional to 385,824.87, 532,443.66 and 222,478.52 is: 307,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,824.87 : 532,443.66 = 222,478.52 : x
  2. Step 2: Convert to fraction form
    385,824.87/532,443.66 = 222,478.52/x
  3. Step 3: Cross multiply
    385,824.87x = 532,443.66 × 222,478.52
  4. Step 4: Simplify right side
    385,824.87x = 118,457,273,963.67
  5. Step 5: Solve for x
    x = 118,457,273,963.67/385,824.87
  6. Step 6: Final answer
    x = 307,023.43

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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.