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Finding the Fourth Proportional to 404,718.67, 607,080.45 and 180,026.29

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Solution

The fourth proportional to 404,718.67, 607,080.45 and 180,026.29 is: 270,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,718.67 : 607,080.45 = 180,026.29 : x
  2. Step 2: Convert to fraction form
    404,718.67/607,080.45 = 180,026.29/x
  3. Step 3: Cross multiply
    404,718.67x = 607,080.45 × 180,026.29
  4. Step 4: Simplify right side
    404,718.67x = 109,290,441,145.03
  5. Step 5: Solve for x
    x = 109,290,441,145.03/404,718.67
  6. Step 6: Final answer
    x = 270,040.52

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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.