Home / 440,012.20-607,217.10-238,808.20

Finding the Fourth Proportional to 440,012.20, 607,217.10 and 238,808.20

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Solution

The fourth proportional to 440,012.20, 607,217.10 and 238,808.20 is: 329,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,012.20 : 607,217.10 = 238,808.20 : x
  2. Step 2: Convert to fraction form
    440,012.20/607,217.10 = 238,808.20/x
  3. Step 3: Cross multiply
    440,012.20x = 607,217.10 × 238,808.20
  4. Step 4: Simplify right side
    440,012.20x = 145,008,422,660.22
  5. Step 5: Solve for x
    x = 145,008,422,660.22/440,012.20
  6. Step 6: Final answer
    x = 329,555.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.