Home / 371,926.89-513,256.64-202,161.02

Finding the Fourth Proportional to 371,926.89, 513,256.64 and 202,161.02

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Solution

The fourth proportional to 371,926.89, 513,256.64 and 202,161.02 is: 278,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,926.89 : 513,256.64 = 202,161.02 : x
  2. Step 2: Convert to fraction form
    371,926.89/513,256.64 = 202,161.02/x
  3. Step 3: Cross multiply
    371,926.89x = 513,256.64 × 202,161.02
  4. Step 4: Simplify right side
    371,926.89x = 103,760,482,287.09
  5. Step 5: Solve for x
    x = 103,760,482,287.09/371,926.89
  6. Step 6: Final answer
    x = 278,980.86

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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.