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Finding the Fourth Proportional to 340,524.72, 510,522.18 and 220,327.68

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Solution

The fourth proportional to 340,524.72, 510,522.18 and 220,327.68 is: 330,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,524.72 : 510,522.18 = 220,327.68 : x
  2. Step 2: Convert to fraction form
    340,524.72/510,522.18 = 220,327.68/x
  3. Step 3: Cross multiply
    340,524.72x = 510,522.18 × 220,327.68
  4. Step 4: Simplify right side
    340,524.72x = 112,482,167,507.94
  5. Step 5: Solve for x
    x = 112,482,167,507.94/340,524.72
  6. Step 6: Final answer
    x = 330,320.12

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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.