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Finding the Fourth Proportional to 376,132.44, 563,802.30 and 123,346.98

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Solution

The fourth proportional to 376,132.44, 563,802.30 and 123,346.98 is: 184,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,132.44 : 563,802.30 = 123,346.98 : x
  2. Step 2: Convert to fraction form
    376,132.44/563,802.30 = 123,346.98/x
  3. Step 3: Cross multiply
    376,132.44x = 563,802.30 × 123,346.98
  4. Step 4: Simplify right side
    376,132.44x = 69,543,311,022.05
  5. Step 5: Solve for x
    x = 69,543,311,022.05/376,132.44
  6. Step 6: Final answer
    x = 184,890.49

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1.5x scale

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.