Home / 217,723.04-300,448.16-122,227.84

Finding the Fourth Proportional to 217,723.04, 300,448.16 and 122,227.84

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Solution

The fourth proportional to 217,723.04, 300,448.16 and 122,227.84 is: 168,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,723.04 : 300,448.16 = 122,227.84 : x
  2. Step 2: Convert to fraction form
    217,723.04/300,448.16 = 122,227.84/x
  3. Step 3: Cross multiply
    217,723.04x = 300,448.16 × 122,227.84
  4. Step 4: Simplify right side
    217,723.04x = 36,723,129,628.77
  5. Step 5: Solve for x
    x = 36,723,129,628.77/217,723.04
  6. Step 6: Final answer
    x = 168,669.01

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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.