Home / 291,881.73-402,803.93-162,819.26

Finding the Fourth Proportional to 291,881.73, 402,803.93 and 162,819.26

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Solution

The fourth proportional to 291,881.73, 402,803.93 and 162,819.26 is: 224,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,881.73 : 402,803.93 = 162,819.26 : x
  2. Step 2: Convert to fraction form
    291,881.73/402,803.93 = 162,819.26/x
  3. Step 3: Cross multiply
    291,881.73x = 402,803.93 × 162,819.26
  4. Step 4: Simplify right side
    291,881.73x = 65,584,234,979.58
  5. Step 5: Solve for x
    x = 65,584,234,979.58/291,881.73
  6. Step 6: Final answer
    x = 224,694.55

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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.