Home / 284,090.45-392,066.96-163,273.89

Finding the Fourth Proportional to 284,090.45, 392,066.96 and 163,273.89

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Solution

The fourth proportional to 284,090.45, 392,066.96 and 163,273.89 is: 225,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,090.45 : 392,066.96 = 163,273.89 : x
  2. Step 2: Convert to fraction form
    284,090.45/392,066.96 = 163,273.89/x
  3. Step 3: Cross multiply
    284,090.45x = 392,066.96 × 163,273.89
  4. Step 4: Simplify right side
    284,090.45x = 64,014,296,883.31
  5. Step 5: Solve for x
    x = 64,014,296,883.31/284,090.45
  6. Step 6: Final answer
    x = 225,330.69

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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.