Home / 211,237.96-316,857.42-51,313.18

Finding the Fourth Proportional to 211,237.96, 316,857.42 and 51,313.18

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Solution

The fourth proportional to 211,237.96, 316,857.42 and 51,313.18 is: 76,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,237.96 : 316,857.42 = 51,313.18 : x
  2. Step 2: Convert to fraction form
    211,237.96/316,857.42 = 51,313.18/x
  3. Step 3: Cross multiply
    211,237.96x = 316,857.42 × 51,313.18
  4. Step 4: Simplify right side
    211,237.96x = 16,258,961,826.80
  5. Step 5: Solve for x
    x = 16,258,961,826.80/211,237.96
  6. Step 6: Final answer
    x = 76,969.89

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1.5x scale

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.