Home / 371,869.10-557,961.49-203,192.40

Finding the Fourth Proportional to 371,869.10, 557,961.49 and 203,192.40

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Solution

The fourth proportional to 371,869.10, 557,961.49 and 203,192.40 is: 304,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,869.10 : 557,961.49 = 203,192.40 : x
  2. Step 2: Convert to fraction form
    371,869.10/557,961.49 = 203,192.40/x
  3. Step 3: Cross multiply
    371,869.10x = 557,961.49 × 203,192.40
  4. Step 4: Simplify right side
    371,869.10x = 113,373,532,897.01
  5. Step 5: Solve for x
    x = 113,373,532,897.01/371,869.10
  6. Step 6: Final answer
    x = 304,874.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.