Home / 372,181.91-513,445.23-248,030.78

Finding the Fourth Proportional to 372,181.91, 513,445.23 and 248,030.78

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Solution

The fourth proportional to 372,181.91, 513,445.23 and 248,030.78 is: 342,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,181.91 : 513,445.23 = 248,030.78 : x
  2. Step 2: Convert to fraction form
    372,181.91/513,445.23 = 248,030.78/x
  3. Step 3: Cross multiply
    372,181.91x = 513,445.23 × 248,030.78
  4. Step 4: Simplify right side
    372,181.91x = 127,350,218,316.95
  5. Step 5: Solve for x
    x = 127,350,218,316.95/372,181.91
  6. Step 6: Final answer
    x = 342,171.98

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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.