Home / 403,973.93-557,483.92-222,688.85

Finding the Fourth Proportional to 403,973.93, 557,483.92 and 222,688.85

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Solution

The fourth proportional to 403,973.93, 557,483.92 and 222,688.85 is: 307,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,973.93 : 557,483.92 = 222,688.85 : x
  2. Step 2: Convert to fraction form
    403,973.93/557,483.92 = 222,688.85/x
  3. Step 3: Cross multiply
    403,973.93x = 557,483.92 × 222,688.85
  4. Step 4: Simplify right side
    403,973.93x = 124,145,449,694.15
  5. Step 5: Solve for x
    x = 124,145,449,694.15/403,973.93
  6. Step 6: Final answer
    x = 307,310.55

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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.