Home / 374,748.80-562,382.40-269,643.20

Finding the Fourth Proportional to 374,748.80, 562,382.40 and 269,643.20

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Solution

The fourth proportional to 374,748.80, 562,382.40 and 269,643.20 is: 404,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,748.80 : 562,382.40 = 269,643.20 : x
  2. Step 2: Convert to fraction form
    374,748.80/562,382.40 = 269,643.20/x
  3. Step 3: Cross multiply
    374,748.80x = 562,382.40 × 269,643.20
  4. Step 4: Simplify right side
    374,748.80x = 151,642,589,959.68
  5. Step 5: Solve for x
    x = 151,642,589,959.68/374,748.80
  6. Step 6: Final answer
    x = 404,651.30

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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.