Home / 371,919.26-513,228.89-210,776.24

Finding the Fourth Proportional to 371,919.26, 513,228.89 and 210,776.24

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Solution

The fourth proportional to 371,919.26, 513,228.89 and 210,776.24 is: 290,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,919.26 : 513,228.89 = 210,776.24 : x
  2. Step 2: Convert to fraction form
    371,919.26/513,228.89 = 210,776.24/x
  3. Step 3: Cross multiply
    371,919.26x = 513,228.89 × 210,776.24
  4. Step 4: Simplify right side
    371,919.26x = 108,176,452,073.55
  5. Step 5: Solve for x
    x = 108,176,452,073.55/371,919.26
  6. Step 6: Final answer
    x = 290,860.05

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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.