Home / 516,497.92-774,725.76-142,511.36

Finding the Fourth Proportional to 516,497.92, 774,725.76 and 142,511.36

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Solution

The fourth proportional to 516,497.92, 774,725.76 and 142,511.36 is: 213,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,497.92 : 774,725.76 = 142,511.36 : x
  2. Step 2: Convert to fraction form
    516,497.92/774,725.76 = 142,511.36/x
  3. Step 3: Cross multiply
    516,497.92x = 774,725.76 × 142,511.36
  4. Step 4: Simplify right side
    516,497.92x = 110,407,221,684.63
  5. Step 5: Solve for x
    x = 110,407,221,684.63/516,497.92
  6. Step 6: Final answer
    x = 213,761.21

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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.