Home / 403,918.30-605,875.60-104,373.42

Finding the Fourth Proportional to 403,918.30, 605,875.60 and 104,373.42

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Solution

The fourth proportional to 403,918.30, 605,875.60 and 104,373.42 is: 156,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,918.30 : 605,875.60 = 104,373.42 : x
  2. Step 2: Convert to fraction form
    403,918.30/605,875.60 = 104,373.42/x
  3. Step 3: Cross multiply
    403,918.30x = 605,875.60 × 104,373.42
  4. Step 4: Simplify right side
    403,918.30x = 63,237,308,466.55
  5. Step 5: Solve for x
    x = 63,237,308,466.55/403,918.30
  6. Step 6: Final answer
    x = 156,559.65

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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.