Home / 756,120.15-1,134,288.23-223,572.15

Finding the Fourth Proportional to 756,120.15, 1,134,288.23 and 223,572.15

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Solution

The fourth proportional to 756,120.15, 1,134,288.23 and 223,572.15 is: 335,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,120.15 : 1,134,288.23 = 223,572.15 : x
  2. Step 2: Convert to fraction form
    756,120.15/1,134,288.23 = 223,572.15/x
  3. Step 3: Cross multiply
    756,120.15x = 1,134,288.23 × 223,572.15
  4. Step 4: Simplify right side
    756,120.15x = 253,595,257,182.93
  5. Step 5: Solve for x
    x = 253,595,257,182.93/756,120.15
  6. Step 6: Final answer
    x = 335,390.16

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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.