Home / 427,901.58-590,502.12-231,668.18

Finding the Fourth Proportional to 427,901.58, 590,502.12 and 231,668.18

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Solution

The fourth proportional to 427,901.58, 590,502.12 and 231,668.18 is: 319,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,901.58 : 590,502.12 = 231,668.18 : x
  2. Step 2: Convert to fraction form
    427,901.58/590,502.12 = 231,668.18/x
  3. Step 3: Cross multiply
    427,901.58x = 590,502.12 × 231,668.18
  4. Step 4: Simplify right side
    427,901.58x = 136,800,551,426.54
  5. Step 5: Solve for x
    x = 136,800,551,426.54/427,901.58
  6. Step 6: Final answer
    x = 319,700.97

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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.