Home / 269,278.57-403,916.63-69,581.98

Finding the Fourth Proportional to 269,278.57, 403,916.63 and 69,581.98

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Solution

The fourth proportional to 269,278.57, 403,916.63 and 69,581.98 is: 104,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,278.57 : 403,916.63 = 69,581.98 : x
  2. Step 2: Convert to fraction form
    269,278.57/403,916.63 = 69,581.98/x
  3. Step 3: Cross multiply
    269,278.57x = 403,916.63 × 69,581.98
  4. Step 4: Simplify right side
    269,278.57x = 28,105,318,034.49
  5. Step 5: Solve for x
    x = 28,105,318,034.49/269,278.57
  6. Step 6: Final answer
    x = 104,372.65

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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.