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Finding the Fourth Proportional to 374,705.11, 517,061.85 and 211,352.62

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Solution

The fourth proportional to 374,705.11, 517,061.85 and 211,352.62 is: 291,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,705.11 : 517,061.85 = 211,352.62 : x
  2. Step 2: Convert to fraction form
    374,705.11/517,061.85 = 211,352.62/x
  3. Step 3: Cross multiply
    374,705.11x = 517,061.85 × 211,352.62
  4. Step 4: Simplify right side
    374,705.11x = 109,282,376,699.55
  5. Step 5: Solve for x
    x = 109,282,376,699.55/374,705.11
  6. Step 6: Final answer
    x = 291,649.02

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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.