Home / 290,147.41-433,099.04-268,776.75

Finding the Fourth Proportional to 290,147.41, 433,099.04 and 268,776.75

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Solution

The fourth proportional to 290,147.41, 433,099.04 and 268,776.75 is: 401,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,147.41 : 433,099.04 = 268,776.75 : x
  2. Step 2: Convert to fraction form
    290,147.41/433,099.04 = 268,776.75/x
  3. Step 3: Cross multiply
    290,147.41x = 433,099.04 × 268,776.75
  4. Step 4: Simplify right side
    290,147.41x = 116,406,951,770.91
  5. Step 5: Solve for x
    x = 116,406,951,770.91/290,147.41
  6. Step 6: Final answer
    x = 401,199.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.