Home / 291,614.10-402,451.38-164,298.30

Finding the Fourth Proportional to 291,614.10, 402,451.38 and 164,298.30

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Solution

The fourth proportional to 291,614.10, 402,451.38 and 164,298.30 is: 226,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,614.10 : 402,451.38 = 164,298.30 : x
  2. Step 2: Convert to fraction form
    291,614.10/402,451.38 = 164,298.30/x
  3. Step 3: Cross multiply
    291,614.10x = 402,451.38 × 164,298.30
  4. Step 4: Simplify right side
    291,614.10x = 66,122,077,566.65
  5. Step 5: Solve for x
    x = 66,122,077,566.65/291,614.10
  6. Step 6: Final answer
    x = 226,745.13

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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.