Home / 371,924.20-513,245.25-210,794.21

Finding the Fourth Proportional to 371,924.20, 513,245.25 and 210,794.21

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Solution

The fourth proportional to 371,924.20, 513,245.25 and 210,794.21 is: 290,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,924.20 : 513,245.25 = 210,794.21 : x
  2. Step 2: Convert to fraction form
    371,924.20/513,245.25 = 210,794.21/x
  3. Step 3: Cross multiply
    371,924.20x = 513,245.25 × 210,794.21
  4. Step 4: Simplify right side
    371,924.20x = 108,189,124,443.78
  5. Step 5: Solve for x
    x = 108,189,124,443.78/371,924.20
  6. Step 6: Final answer
    x = 290,890.25

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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.