Home / 852,865.59-1,279,293.20-213,166.13

Finding the Fourth Proportional to 852,865.59, 1,279,293.20 and 213,166.13

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Solution

The fourth proportional to 852,865.59, 1,279,293.20 and 213,166.13 is: 319,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,865.59 : 1,279,293.20 = 213,166.13 : x
  2. Step 2: Convert to fraction form
    852,865.59/1,279,293.20 = 213,166.13/x
  3. Step 3: Cross multiply
    852,865.59x = 1,279,293.20 × 213,166.13
  4. Step 4: Simplify right side
    852,865.59x = 272,701,973,117.02
  5. Step 5: Solve for x
    x = 272,701,973,117.02/852,865.59
  6. Step 6: Final answer
    x = 319,747.89

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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.