Home / 211,349.08-317,020.96-51,425.92

Finding the Fourth Proportional to 211,349.08, 317,020.96 and 51,425.92

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Solution

The fourth proportional to 211,349.08, 317,020.96 and 51,425.92 is: 77,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,349.08 : 317,020.96 = 51,425.92 : x
  2. Step 2: Convert to fraction form
    211,349.08/317,020.96 = 51,425.92/x
  3. Step 3: Cross multiply
    211,349.08x = 317,020.96 × 51,425.92
  4. Step 4: Simplify right side
    211,349.08x = 16,303,094,527.28
  5. Step 5: Solve for x
    x = 16,303,094,527.28/211,349.08
  6. Step 6: Final answer
    x = 77,138.23

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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.