Home / 248,295.36-342,655.20-140,861.28

Finding the Fourth Proportional to 248,295.36, 342,655.20 and 140,861.28

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Solution

The fourth proportional to 248,295.36, 342,655.20 and 140,861.28 is: 194,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,295.36 : 342,655.20 = 140,861.28 : x
  2. Step 2: Convert to fraction form
    248,295.36/342,655.20 = 140,861.28/x
  3. Step 3: Cross multiply
    248,295.36x = 342,655.20 × 140,861.28
  4. Step 4: Simplify right side
    248,295.36x = 48,266,850,070.66
  5. Step 5: Solve for x
    x = 48,266,850,070.66/248,295.36
  6. Step 6: Final answer
    x = 194,392.88

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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.