Home / 404,860.20-607,290.30-142,204.20

Finding the Fourth Proportional to 404,860.20, 607,290.30 and 142,204.20

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Solution

The fourth proportional to 404,860.20, 607,290.30 and 142,204.20 is: 213,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,860.20 : 607,290.30 = 142,204.20 : x
  2. Step 2: Convert to fraction form
    404,860.20/607,290.30 = 142,204.20/x
  3. Step 3: Cross multiply
    404,860.20x = 607,290.30 × 142,204.20
  4. Step 4: Simplify right side
    404,860.20x = 86,359,231,279.26
  5. Step 5: Solve for x
    x = 86,359,231,279.26/404,860.20
  6. Step 6: Final answer
    x = 213,306.30

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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.