Home / 217,668.88-300,284.04-145,974.16

Finding the Fourth Proportional to 217,668.88, 300,284.04 and 145,974.16

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Solution

The fourth proportional to 217,668.88, 300,284.04 and 145,974.16 is: 201,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,668.88 : 300,284.04 = 145,974.16 : x
  2. Step 2: Convert to fraction form
    217,668.88/300,284.04 = 145,974.16/x
  3. Step 3: Cross multiply
    217,668.88x = 300,284.04 × 145,974.16
  4. Step 4: Simplify right side
    217,668.88x = 43,833,710,500.41
  5. Step 5: Solve for x
    x = 43,833,710,500.41/217,668.88
  6. Step 6: Final answer
    x = 201,377.94

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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.