Home / 217,523.04-300,316.20-145,027.92

Finding the Fourth Proportional to 217,523.04, 300,316.20 and 145,027.92

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Solution

The fourth proportional to 217,523.04, 300,316.20 and 145,027.92 is: 200,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,523.04 : 300,316.20 = 145,027.92 : x
  2. Step 2: Convert to fraction form
    217,523.04/300,316.20 = 145,027.92/x
  3. Step 3: Cross multiply
    217,523.04x = 300,316.20 × 145,027.92
  4. Step 4: Simplify right side
    217,523.04x = 43,554,233,828.30
  5. Step 5: Solve for x
    x = 43,554,233,828.30/217,523.04
  6. Step 6: Final answer
    x = 200,228.14

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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.