Home / 404,585.20-607,266.60-205,130.80

Finding the Fourth Proportional to 404,585.20, 607,266.60 and 205,130.80

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Solution

The fourth proportional to 404,585.20, 607,266.60 and 205,130.80 is: 307,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,585.20 : 607,266.60 = 205,130.80 : x
  2. Step 2: Convert to fraction form
    404,585.20/607,266.60 = 205,130.80/x
  3. Step 3: Cross multiply
    404,585.20x = 607,266.60 × 205,130.80
  4. Step 4: Simplify right side
    404,585.20x = 124,569,083,471.28
  5. Step 5: Solve for x
    x = 124,569,083,471.28/404,585.20
  6. Step 6: Final answer
    x = 307,893.33

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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.