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Finding the Fourth Proportional to 268,666.38, 403,140.69 and 119,010.06

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Solution

The fourth proportional to 268,666.38, 403,140.69 and 119,010.06 is: 178,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,666.38 : 403,140.69 = 119,010.06 : x
  2. Step 2: Convert to fraction form
    268,666.38/403,140.69 = 119,010.06/x
  3. Step 3: Cross multiply
    268,666.38x = 403,140.69 × 119,010.06
  4. Step 4: Simplify right side
    268,666.38x = 47,977,797,705.34
  5. Step 5: Solve for x
    x = 47,977,797,705.34/268,666.38
  6. Step 6: Final answer
    x = 178,577.60

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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.