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Finding the Fourth Proportional to 248,004.48, 342,279.36 and 158,839.68

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Solution

The fourth proportional to 248,004.48, 342,279.36 and 158,839.68 is: 219,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,004.48 : 342,279.36 = 158,839.68 : x
  2. Step 2: Convert to fraction form
    248,004.48/342,279.36 = 158,839.68/x
  3. Step 3: Cross multiply
    248,004.48x = 342,279.36 × 158,839.68
  4. Step 4: Simplify right side
    248,004.48x = 54,367,544,013.00
  5. Step 5: Solve for x
    x = 54,367,544,013.00/248,004.48
  6. Step 6: Final answer
    x = 219,220.01

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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.