Home / 403,820.30-605,001.45-235,202.60

Finding the Fourth Proportional to 403,820.30, 605,001.45 and 235,202.60

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Solution

The fourth proportional to 403,820.30, 605,001.45 and 235,202.60 is: 352,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,820.30 : 605,001.45 = 235,202.60 : x
  2. Step 2: Convert to fraction form
    403,820.30/605,001.45 = 235,202.60/x
  3. Step 3: Cross multiply
    403,820.30x = 605,001.45 × 235,202.60
  4. Step 4: Simplify right side
    403,820.30x = 142,297,914,043.77
  5. Step 5: Solve for x
    x = 142,297,914,043.77/403,820.30
  6. Step 6: Final answer
    x = 352,379.30

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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.