Home / 291,579.52-402,372.12-164,247.52

Finding the Fourth Proportional to 291,579.52, 402,372.12 and 164,247.52

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Solution

The fourth proportional to 291,579.52, 402,372.12 and 164,247.52 is: 226,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,579.52 : 402,372.12 = 164,247.52 : x
  2. Step 2: Convert to fraction form
    291,579.52/402,372.12 = 164,247.52/x
  3. Step 3: Cross multiply
    291,579.52x = 402,372.12 × 164,247.52
  4. Step 4: Simplify right side
    291,579.52x = 66,088,622,827.14
  5. Step 5: Solve for x
    x = 66,088,622,827.14/291,579.52
  6. Step 6: Final answer
    x = 226,657.29

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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.