Home / 291,731.31-402,583.64-164,404.35

Finding the Fourth Proportional to 291,731.31, 402,583.64 and 164,404.35

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Solution

The fourth proportional to 291,731.31, 402,583.64 and 164,404.35 is: 226,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,731.31 : 402,583.64 = 164,404.35 : x
  2. Step 2: Convert to fraction form
    291,731.31/402,583.64 = 164,404.35/x
  3. Step 3: Cross multiply
    291,731.31x = 402,583.64 × 164,404.35
  4. Step 4: Simplify right side
    291,731.31x = 66,186,500,832.81
  5. Step 5: Solve for x
    x = 66,186,500,832.81/291,731.31
  6. Step 6: Final answer
    x = 226,874.86

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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.