Home / 371,824.32-513,161.29-220,921.32

Finding the Fourth Proportional to 371,824.32, 513,161.29 and 220,921.32

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Solution

The fourth proportional to 371,824.32, 513,161.29 and 220,921.32 is: 304,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,824.32 : 513,161.29 = 220,921.32 : x
  2. Step 2: Convert to fraction form
    371,824.32/513,161.29 = 220,921.32/x
  3. Step 3: Cross multiply
    371,824.32x = 513,161.29 × 220,921.32
  4. Step 4: Simplify right side
    371,824.32x = 113,368,269,559.70
  5. Step 5: Solve for x
    x = 113,368,269,559.70/371,824.32
  6. Step 6: Final answer
    x = 304,897.40

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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.