Home / 233,279.20-349,262.70-209,659.60

Finding the Fourth Proportional to 233,279.20, 349,262.70 and 209,659.60

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Solution

The fourth proportional to 233,279.20, 349,262.70 and 209,659.60 is: 313,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,279.20 : 349,262.70 = 209,659.60 : x
  2. Step 2: Convert to fraction form
    233,279.20/349,262.70 = 209,659.60/x
  3. Step 3: Cross multiply
    233,279.20x = 349,262.70 × 209,659.60
  4. Step 4: Simplify right side
    233,279.20x = 73,226,277,976.92
  5. Step 5: Solve for x
    x = 73,226,277,976.92/233,279.20
  6. Step 6: Final answer
    x = 313,899.73

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1.5x scale

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.