Home / 418,331.93-577,085.54-273,222.73

Finding the Fourth Proportional to 418,331.93, 577,085.54 and 273,222.73

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Solution

The fourth proportional to 418,331.93, 577,085.54 and 273,222.73 is: 376,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,331.93 : 577,085.54 = 273,222.73 : x
  2. Step 2: Convert to fraction form
    418,331.93/577,085.54 = 273,222.73/x
  3. Step 3: Cross multiply
    418,331.93x = 577,085.54 × 273,222.73
  4. Step 4: Simplify right side
    418,331.93x = 157,672,883,873.50
  5. Step 5: Solve for x
    x = 157,672,883,873.50/418,331.93
  6. Step 6: Final answer
    x = 376,908.55

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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.