Home / 372,159.42-513,696.96-211,121.52

Finding the Fourth Proportional to 372,159.42, 513,696.96 and 211,121.52

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Solution

The fourth proportional to 372,159.42, 513,696.96 and 211,121.52 is: 291,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,159.42 : 513,696.96 = 211,121.52 : x
  2. Step 2: Convert to fraction form
    372,159.42/513,696.96 = 211,121.52/x
  3. Step 3: Cross multiply
    372,159.42x = 513,696.96 × 211,121.52
  4. Step 4: Simplify right side
    372,159.42x = 108,452,483,014.58
  5. Step 5: Solve for x
    x = 108,452,483,014.58/372,159.42
  6. Step 6: Final answer
    x = 291,414.05

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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.