Home / 251,721.12-347,376-144,297.60

Finding the Fourth Proportional to 251,721.12, 347,376 and 144,297.60

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Solution

The fourth proportional to 251,721.12, 347,376 and 144,297.60 is: 199,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,721.12 : 347,376 = 144,297.60 : x
  2. Step 2: Convert to fraction form
    251,721.12/347,376 = 144,297.60/x
  3. Step 3: Cross multiply
    251,721.12x = 347,376 × 144,297.60
  4. Step 4: Simplify right side
    251,721.12x = 50,125,523,097.60
  5. Step 5: Solve for x
    x = 50,125,523,097.60/251,721.12
  6. Step 6: Final answer
    x = 199,131.18

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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.