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Finding the Fourth Proportional to 376,814.96, 519,647.56 and 247,526

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Solution

The fourth proportional to 376,814.96, 519,647.56 and 247,526 is: 341,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,814.96 : 519,647.56 = 247,526 : x
  2. Step 2: Convert to fraction form
    376,814.96/519,647.56 = 247,526/x
  3. Step 3: Cross multiply
    376,814.96x = 519,647.56 × 247,526
  4. Step 4: Simplify right side
    376,814.96x = 128,626,281,936.56
  5. Step 5: Solve for x
    x = 128,626,281,936.56/376,814.96
  6. Step 6: Final answer
    x = 341,351.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.