Home / 404,810.20-607,215.30-142,154.20

Finding the Fourth Proportional to 404,810.20, 607,215.30 and 142,154.20

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Solution

The fourth proportional to 404,810.20, 607,215.30 and 142,154.20 is: 213,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,810.20 : 607,215.30 = 142,154.20 : x
  2. Step 2: Convert to fraction form
    404,810.20/607,215.30 = 142,154.20/x
  3. Step 3: Cross multiply
    404,810.20x = 607,215.30 × 142,154.20
  4. Step 4: Simplify right side
    404,810.20x = 86,318,205,199.26
  5. Step 5: Solve for x
    x = 86,318,205,199.26/404,810.20
  6. Step 6: Final answer
    x = 213,231.30

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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.