Home / 248,549.60-343,022.30-153,112.16

Finding the Fourth Proportional to 248,549.60, 343,022.30 and 153,112.16

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Solution

The fourth proportional to 248,549.60, 343,022.30 and 153,112.16 is: 211,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,549.60 : 343,022.30 = 153,112.16 : x
  2. Step 2: Convert to fraction form
    248,549.60/343,022.30 = 153,112.16/x
  3. Step 3: Cross multiply
    248,549.60x = 343,022.30 × 153,112.16
  4. Step 4: Simplify right side
    248,549.60x = 52,520,882,800.50
  5. Step 5: Solve for x
    x = 52,520,882,800.50/248,549.60
  6. Step 6: Final answer
    x = 211,309.47

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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.