Home / 379,637.09-523,922.14-218,488.60

Finding the Fourth Proportional to 379,637.09, 523,922.14 and 218,488.60

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Solution

The fourth proportional to 379,637.09, 523,922.14 and 218,488.60 is: 301,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,637.09 : 523,922.14 = 218,488.60 : x
  2. Step 2: Convert to fraction form
    379,637.09/523,922.14 = 218,488.60/x
  3. Step 3: Cross multiply
    379,637.09x = 523,922.14 × 218,488.60
  4. Step 4: Simplify right side
    379,637.09x = 114,471,014,877.60
  5. Step 5: Solve for x
    x = 114,471,014,877.60/379,637.09
  6. Step 6: Final answer
    x = 301,527.48

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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.