Home / 385,799.92-532,398.10-213,717.35

Finding the Fourth Proportional to 385,799.92, 532,398.10 and 213,717.35

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Solution

The fourth proportional to 385,799.92, 532,398.10 and 213,717.35 is: 294,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,799.92 : 532,398.10 = 213,717.35 : x
  2. Step 2: Convert to fraction form
    385,799.92/532,398.10 = 213,717.35/x
  3. Step 3: Cross multiply
    385,799.92x = 532,398.10 × 213,717.35
  4. Step 4: Simplify right side
    385,799.92x = 113,782,711,077.04
  5. Step 5: Solve for x
    x = 113,782,711,077.04/385,799.92
  6. Step 6: Final answer
    x = 294,926.74

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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.