Home / 248,619.60-372,929.40-154,141.20

Finding the Fourth Proportional to 248,619.60, 372,929.40 and 154,141.20

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Solution

The fourth proportional to 248,619.60, 372,929.40 and 154,141.20 is: 231,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,619.60 : 372,929.40 = 154,141.20 : x
  2. Step 2: Convert to fraction form
    248,619.60/372,929.40 = 154,141.20/x
  3. Step 3: Cross multiply
    248,619.60x = 372,929.40 × 154,141.20
  4. Step 4: Simplify right side
    248,619.60x = 57,483,785,231.28
  5. Step 5: Solve for x
    x = 57,483,785,231.28/248,619.60
  6. Step 6: Final answer
    x = 231,211.80

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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.