Home / 403,199.90-556,415.92-219,439.16

Finding the Fourth Proportional to 403,199.90, 556,415.92 and 219,439.16

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Solution

The fourth proportional to 403,199.90, 556,415.92 and 219,439.16 is: 302,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,199.90 : 556,415.92 = 219,439.16 : x
  2. Step 2: Convert to fraction form
    403,199.90/556,415.92 = 219,439.16/x
  3. Step 3: Cross multiply
    403,199.90x = 556,415.92 × 219,439.16
  4. Step 4: Simplify right side
    403,199.90x = 122,099,442,095.43
  5. Step 5: Solve for x
    x = 122,099,442,095.43/403,199.90
  6. Step 6: Final answer
    x = 302,826.07

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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.