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Finding the Fourth Proportional to 217,670.49, 300,346.79 and 132,814.89

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Solution

The fourth proportional to 217,670.49, 300,346.79 and 132,814.89 is: 183,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,670.49 : 300,346.79 = 132,814.89 : x
  2. Step 2: Convert to fraction form
    217,670.49/300,346.79 = 132,814.89/x
  3. Step 3: Cross multiply
    217,670.49x = 300,346.79 × 132,814.89
  4. Step 4: Simplify right side
    217,670.49x = 39,890,525,211.63
  5. Step 5: Solve for x
    x = 39,890,525,211.63/217,670.49
  6. Step 6: Final answer
    x = 183,261.06

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1.5x scale

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.