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Finding the Fourth Proportional to 376,313.04, 564,240.60 and 159,916.68

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Solution

The fourth proportional to 376,313.04, 564,240.60 and 159,916.68 is: 239,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,313.04 : 564,240.60 = 159,916.68 : x
  2. Step 2: Convert to fraction form
    376,313.04/564,240.60 = 159,916.68/x
  3. Step 3: Cross multiply
    376,313.04x = 564,240.60 × 159,916.68
  4. Step 4: Simplify right side
    376,313.04x = 90,231,483,473.21
  5. Step 5: Solve for x
    x = 90,231,483,473.21/376,313.04
  6. Step 6: Final answer
    x = 239,777.72

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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.