Home / 248,918.38-343,533.28-153,422.62

Finding the Fourth Proportional to 248,918.38, 343,533.28 and 153,422.62

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Solution

The fourth proportional to 248,918.38, 343,533.28 and 153,422.62 is: 211,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,918.38 : 343,533.28 = 153,422.62 : x
  2. Step 2: Convert to fraction form
    248,918.38/343,533.28 = 153,422.62/x
  3. Step 3: Cross multiply
    248,918.38x = 343,533.28 × 153,422.62
  4. Step 4: Simplify right side
    248,918.38x = 52,705,775,874.79
  5. Step 5: Solve for x
    x = 52,705,775,874.79/248,918.38
  6. Step 6: Final answer
    x = 211,739.19

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1.5x scale

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.