Home / 292,731.64-403,977.66-165,404.68

Finding the Fourth Proportional to 292,731.64, 403,977.66 and 165,404.68

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Solution

The fourth proportional to 292,731.64, 403,977.66 and 165,404.68 is: 228,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,731.64 : 403,977.66 = 165,404.68 : x
  2. Step 2: Convert to fraction form
    292,731.64/403,977.66 = 165,404.68/x
  3. Step 3: Cross multiply
    292,731.64x = 403,977.66 × 165,404.68
  4. Step 4: Simplify right side
    292,731.64x = 66,819,795,579.45
  5. Step 5: Solve for x
    x = 66,819,795,579.45/292,731.64
  6. Step 6: Final answer
    x = 228,262.98

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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.