Home / 402,127.82-554,628.90-273,165.74

Finding the Fourth Proportional to 402,127.82, 554,628.90 and 273,165.74

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Solution

The fourth proportional to 402,127.82, 554,628.90 and 273,165.74 is: 376,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,127.82 : 554,628.90 = 273,165.74 : x
  2. Step 2: Convert to fraction form
    402,127.82/554,628.90 = 273,165.74/x
  3. Step 3: Cross multiply
    402,127.82x = 554,628.90 × 273,165.74
  4. Step 4: Simplify right side
    402,127.82x = 151,505,613,893.89
  5. Step 5: Solve for x
    x = 151,505,613,893.89/402,127.82
  6. Step 6: Final answer
    x = 376,759.84

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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.