Home / 292,617.60-403,790.40-165,292.80

Finding the Fourth Proportional to 292,617.60, 403,790.40 and 165,292.80

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Solution

The fourth proportional to 292,617.60, 403,790.40 and 165,292.80 is: 228,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,617.60 : 403,790.40 = 165,292.80 : x
  2. Step 2: Convert to fraction form
    292,617.60/403,790.40 = 165,292.80/x
  3. Step 3: Cross multiply
    292,617.60x = 403,790.40 × 165,292.80
  4. Step 4: Simplify right side
    292,617.60x = 66,743,645,829.12
  5. Step 5: Solve for x
    x = 66,743,645,829.12/292,617.60
  6. Step 6: Final answer
    x = 228,091.70

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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.