Home / 291,905.92-402,821.04-164,579.68

Finding the Fourth Proportional to 291,905.92, 402,821.04 and 164,579.68

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Solution

The fourth proportional to 291,905.92, 402,821.04 and 164,579.68 is: 227,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,905.92 : 402,821.04 = 164,579.68 : x
  2. Step 2: Convert to fraction form
    291,905.92/402,821.04 = 164,579.68/x
  3. Step 3: Cross multiply
    291,905.92x = 402,821.04 × 164,579.68
  4. Step 4: Simplify right side
    291,905.92x = 66,296,157,860.47
  5. Step 5: Solve for x
    x = 66,296,157,860.47/291,905.92
  6. Step 6: Final answer
    x = 227,114.81

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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.