Home / 404,629.20-606,943.80-141,973.20

Finding the Fourth Proportional to 404,629.20, 606,943.80 and 141,973.20

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Solution

The fourth proportional to 404,629.20, 606,943.80 and 141,973.20 is: 212,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,629.20 : 606,943.80 = 141,973.20 : x
  2. Step 2: Convert to fraction form
    404,629.20/606,943.80 = 141,973.20/x
  3. Step 3: Cross multiply
    404,629.20x = 606,943.80 × 141,973.20
  4. Step 4: Simplify right side
    404,629.20x = 86,169,753,506.16
  5. Step 5: Solve for x
    x = 86,169,753,506.16/404,629.20
  6. Step 6: Final answer
    x = 212,959.80

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1.5x scale

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.