Home / 372,245.17-513,656.59-219,273.40

Finding the Fourth Proportional to 372,245.17, 513,656.59 and 219,273.40

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Solution

The fourth proportional to 372,245.17, 513,656.59 and 219,273.40 is: 302,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,245.17 : 513,656.59 = 219,273.40 : x
  2. Step 2: Convert to fraction form
    372,245.17/513,656.59 = 219,273.40/x
  3. Step 3: Cross multiply
    372,245.17x = 513,656.59 × 219,273.40
  4. Step 4: Simplify right side
    372,245.17x = 112,631,228,871.39
  5. Step 5: Solve for x
    x = 112,631,228,871.39/372,245.17
  6. Step 6: Final answer
    x = 302,572.71

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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.