Home / 313,979.13-433,310.09-185,003.55

Finding the Fourth Proportional to 313,979.13, 433,310.09 and 185,003.55

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Solution

The fourth proportional to 313,979.13, 433,310.09 and 185,003.55 is: 255,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,979.13 : 433,310.09 = 185,003.55 : x
  2. Step 2: Convert to fraction form
    313,979.13/433,310.09 = 185,003.55/x
  3. Step 3: Cross multiply
    313,979.13x = 433,310.09 × 185,003.55
  4. Step 4: Simplify right side
    313,979.13x = 80,163,903,975.80
  5. Step 5: Solve for x
    x = 80,163,903,975.80/313,979.13
  6. Step 6: Final answer
    x = 255,316.03

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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.