Home / 352,977.86-486,926.96-218,608.58

Finding the Fourth Proportional to 352,977.86, 486,926.96 and 218,608.58

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Solution

The fourth proportional to 352,977.86, 486,926.96 and 218,608.58 is: 301,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,977.86 : 486,926.96 = 218,608.58 : x
  2. Step 2: Convert to fraction form
    352,977.86/486,926.96 = 218,608.58/x
  3. Step 3: Cross multiply
    352,977.86x = 486,926.96 × 218,608.58
  4. Step 4: Simplify right side
    352,977.86x = 106,446,411,289.32
  5. Step 5: Solve for x
    x = 106,446,411,289.32/352,977.86
  6. Step 6: Final answer
    x = 301,566.82

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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.