Home / 248,319.60-372,479.40-61,331.10

Finding the Fourth Proportional to 248,319.60, 372,479.40 and 61,331.10

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Solution

The fourth proportional to 248,319.60, 372,479.40 and 61,331.10 is: 91,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,319.60 : 372,479.40 = 61,331.10 : x
  2. Step 2: Convert to fraction form
    248,319.60/372,479.40 = 61,331.10/x
  3. Step 3: Cross multiply
    248,319.60x = 372,479.40 × 61,331.10
  4. Step 4: Simplify right side
    248,319.60x = 22,844,571,329.34
  5. Step 5: Solve for x
    x = 22,844,571,329.34/248,319.60
  6. Step 6: Final answer
    x = 91,996.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.