Home / 345,120.89-476,262.29-199,946.47

Finding the Fourth Proportional to 345,120.89, 476,262.29 and 199,946.47

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Solution

The fourth proportional to 345,120.89, 476,262.29 and 199,946.47 is: 275,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,120.89 : 476,262.29 = 199,946.47 : x
  2. Step 2: Convert to fraction form
    345,120.89/476,262.29 = 199,946.47/x
  3. Step 3: Cross multiply
    345,120.89x = 476,262.29 × 199,946.47
  4. Step 4: Simplify right side
    345,120.89x = 95,226,961,489.23
  5. Step 5: Solve for x
    x = 95,226,961,489.23/345,120.89
  6. Step 6: Final answer
    x = 275,923.49

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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.