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Finding the Fourth Proportional to 215,536.62, 323,304.93 and 65,777.67

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Solution

The fourth proportional to 215,536.62, 323,304.93 and 65,777.67 is: 98,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,536.62 : 323,304.93 = 65,777.67 : x
  2. Step 2: Convert to fraction form
    215,536.62/323,304.93 = 65,777.67/x
  3. Step 3: Cross multiply
    215,536.62x = 323,304.93 × 65,777.67
  4. Step 4: Simplify right side
    215,536.62x = 21,266,244,994.91
  5. Step 5: Solve for x
    x = 21,266,244,994.91/215,536.62
  6. Step 6: Final answer
    x = 98,666.51

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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.