Home / 379,637.44-523,938.72-218,498.56

Finding the Fourth Proportional to 379,637.44, 523,938.72 and 218,498.56

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Solution

The fourth proportional to 379,637.44, 523,938.72 and 218,498.56 is: 301,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,637.44 : 523,938.72 = 218,498.56 : x
  2. Step 2: Convert to fraction form
    379,637.44/523,938.72 = 218,498.56/x
  3. Step 3: Cross multiply
    379,637.44x = 523,938.72 × 218,498.56
  4. Step 4: Simplify right side
    379,637.44x = 114,479,855,848.24
  5. Step 5: Solve for x
    x = 114,479,855,848.24/379,637.44
  6. Step 6: Final answer
    x = 301,550.49

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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.