Home / 343,251.50-473,591.10-270,428.33

Finding the Fourth Proportional to 343,251.50, 473,591.10 and 270,428.33

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Solution

The fourth proportional to 343,251.50, 473,591.10 and 270,428.33 is: 373,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,251.50 : 473,591.10 = 270,428.33 : x
  2. Step 2: Convert to fraction form
    343,251.50/473,591.10 = 270,428.33/x
  3. Step 3: Cross multiply
    343,251.50x = 473,591.10 × 270,428.33
  4. Step 4: Simplify right side
    343,251.50x = 128,072,450,275.86
  5. Step 5: Solve for x
    x = 128,072,450,275.86/343,251.50
  6. Step 6: Final answer
    x = 373,115.49

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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.