Home / 380,867.51-571,376.00-140,983.51

Finding the Fourth Proportional to 380,867.51, 571,376.00 and 140,983.51

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Solution

The fourth proportional to 380,867.51, 571,376.00 and 140,983.51 is: 211,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,867.51 : 571,376.00 = 140,983.51 : x
  2. Step 2: Convert to fraction form
    380,867.51/571,376.00 = 140,983.51/x
  3. Step 3: Cross multiply
    380,867.51x = 571,376.00 × 140,983.51
  4. Step 4: Simplify right side
    380,867.51x = 80,554,593,212.08
  5. Step 5: Solve for x
    x = 80,554,593,212.08/380,867.51
  6. Step 6: Final answer
    x = 211,502.93

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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.