Home / 516,641.58-774,976.95-142,664.58

Finding the Fourth Proportional to 516,641.58, 774,976.95 and 142,664.58

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Solution

The fourth proportional to 516,641.58, 774,976.95 and 142,664.58 is: 214,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,641.58 : 774,976.95 = 142,664.58 : x
  2. Step 2: Convert to fraction form
    516,641.58/774,976.95 = 142,664.58/x
  3. Step 3: Cross multiply
    516,641.58x = 774,976.95 × 142,664.58
  4. Step 4: Simplify right side
    516,641.58x = 110,561,761,081.43
  5. Step 5: Solve for x
    x = 110,561,761,081.43/516,641.58
  6. Step 6: Final answer
    x = 214,000.90

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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.