Home / 371,243.20-557,010.60-146,565.40

Finding the Fourth Proportional to 371,243.20, 557,010.60 and 146,565.40

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Solution

The fourth proportional to 371,243.20, 557,010.60 and 146,565.40 is: 219,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,243.20 : 557,010.60 = 146,565.40 : x
  2. Step 2: Convert to fraction form
    371,243.20/557,010.60 = 146,565.40/x
  3. Step 3: Cross multiply
    371,243.20x = 557,010.60 × 146,565.40
  4. Step 4: Simplify right side
    371,243.20x = 81,638,481,393.24
  5. Step 5: Solve for x
    x = 81,638,481,393.24/371,243.20
  6. Step 6: Final answer
    x = 219,905.66

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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.