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Finding the Fourth Proportional to 340,595.62, 510,367.83 and 215,674.18

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Solution

The fourth proportional to 340,595.62, 510,367.83 and 215,674.18 is: 323,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,595.62 : 510,367.83 = 215,674.18 : x
  2. Step 2: Convert to fraction form
    340,595.62/510,367.83 = 215,674.18/x
  3. Step 3: Cross multiply
    340,595.62x = 510,367.83 × 215,674.18
  4. Step 4: Simplify right side
    340,595.62x = 110,073,163,233.63
  5. Step 5: Solve for x
    x = 110,073,163,233.63/340,595.62
  6. Step 6: Final answer
    x = 323,178.45

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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.