Home / 372,004.20-557,963.10-105,805.80

Finding the Fourth Proportional to 372,004.20, 557,963.10 and 105,805.80

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Solution

The fourth proportional to 372,004.20, 557,963.10 and 105,805.80 is: 158,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,004.20 : 557,963.10 = 105,805.80 : x
  2. Step 2: Convert to fraction form
    372,004.20/557,963.10 = 105,805.80/x
  3. Step 3: Cross multiply
    372,004.20x = 557,963.10 × 105,805.80
  4. Step 4: Simplify right side
    372,004.20x = 59,035,732,165.98
  5. Step 5: Solve for x
    x = 59,035,732,165.98/372,004.20
  6. Step 6: Final answer
    x = 158,696.41

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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.