Home / 385,748.91-532,338.99-222,402.18

Finding the Fourth Proportional to 385,748.91, 532,338.99 and 222,402.18

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Solution

The fourth proportional to 385,748.91, 532,338.99 and 222,402.18 is: 306,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,748.91 : 532,338.99 = 222,402.18 : x
  2. Step 2: Convert to fraction form
    385,748.91/532,338.99 = 222,402.18/x
  3. Step 3: Cross multiply
    385,748.91x = 532,338.99 × 222,402.18
  4. Step 4: Simplify right side
    385,748.91x = 118,393,352,292.00
  5. Step 5: Solve for x
    x = 118,393,352,292.00/385,748.91
  6. Step 6: Final answer
    x = 306,918.18

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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.