Home / 371,944.89-513,285.75-202,179

Finding the Fourth Proportional to 371,944.89, 513,285.75 and 202,179

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Solution

The fourth proportional to 371,944.89, 513,285.75 and 202,179 is: 279,008.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,944.89 : 513,285.75 = 202,179 : x
  2. Step 2: Convert to fraction form
    371,944.89/513,285.75 = 202,179/x
  3. Step 3: Cross multiply
    371,944.89x = 513,285.75 × 202,179
  4. Step 4: Simplify right side
    371,944.89x = 103,775,599,649.25
  5. Step 5: Solve for x
    x = 103,775,599,649.25/371,944.89
  6. Step 6: Final answer
    x = 279,008.00

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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.