Home / 379,933.88-524,263.19-218,841.35

Finding the Fourth Proportional to 379,933.88, 524,263.19 and 218,841.35

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Solution

The fourth proportional to 379,933.88, 524,263.19 and 218,841.35 is: 301,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,933.88 : 524,263.19 = 218,841.35 : x
  2. Step 2: Convert to fraction form
    379,933.88/524,263.19 = 218,841.35/x
  3. Step 3: Cross multiply
    379,933.88x = 524,263.19 × 218,841.35
  4. Step 4: Simplify right side
    379,933.88x = 114,730,460,539.38
  5. Step 5: Solve for x
    x = 114,730,460,539.38/379,933.88
  6. Step 6: Final answer
    x = 301,974.81

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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.