Home / 403,824.80-605,008.20-235,207.10

Finding the Fourth Proportional to 403,824.80, 605,008.20 and 235,207.10

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Solution

The fourth proportional to 403,824.80, 605,008.20 and 235,207.10 is: 352,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,824.80 : 605,008.20 = 235,207.10 : x
  2. Step 2: Convert to fraction form
    403,824.80/605,008.20 = 235,207.10/x
  3. Step 3: Cross multiply
    403,824.80x = 605,008.20 × 235,207.10
  4. Step 4: Simplify right side
    403,824.80x = 142,302,224,198.22
  5. Step 5: Solve for x
    x = 142,302,224,198.22/403,824.80
  6. Step 6: Final answer
    x = 352,386.05

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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.