Home / 248,779.20-343,315.40-141,349.37

Finding the Fourth Proportional to 248,779.20, 343,315.40 and 141,349.37

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Solution

The fourth proportional to 248,779.20, 343,315.40 and 141,349.37 is: 195,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,779.20 : 343,315.40 = 141,349.37 : x
  2. Step 2: Convert to fraction form
    248,779.20/343,315.40 = 141,349.37/x
  3. Step 3: Cross multiply
    248,779.20x = 343,315.40 × 141,349.37
  4. Step 4: Simplify right side
    248,779.20x = 48,527,414,365.41
  5. Step 5: Solve for x
    x = 48,527,414,365.41/248,779.20
  6. Step 6: Final answer
    x = 195,062.19

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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.