Home / 499,203.15-748,914.08-199,608.45

Finding the Fourth Proportional to 499,203.15, 748,914.08 and 199,608.45

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Solution

The fourth proportional to 499,203.15, 748,914.08 and 199,608.45 is: 299,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,203.15 : 748,914.08 = 199,608.45 : x
  2. Step 2: Convert to fraction form
    499,203.15/748,914.08 = 199,608.45/x
  3. Step 3: Cross multiply
    499,203.15x = 748,914.08 × 199,608.45
  4. Step 4: Simplify right side
    499,203.15x = 149,489,577,693.93
  5. Step 5: Solve for x
    x = 149,489,577,693.93/499,203.15
  6. Step 6: Final answer
    x = 299,456.40

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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.