Home / 515,275.92-772,918.20-141,302.16

Finding the Fourth Proportional to 515,275.92, 772,918.20 and 141,302.16

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Solution

The fourth proportional to 515,275.92, 772,918.20 and 141,302.16 is: 211,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,275.92 : 772,918.20 = 141,302.16 : x
  2. Step 2: Convert to fraction form
    515,275.92/772,918.20 = 141,302.16/x
  3. Step 3: Cross multiply
    515,275.92x = 772,918.20 × 141,302.16
  4. Step 4: Simplify right side
    515,275.92x = 109,215,011,163.31
  5. Step 5: Solve for x
    x = 109,215,011,163.31/515,275.92
  6. Step 6: Final answer
    x = 211,954.42

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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.