Home / 265,389.60-365,540.40-204,018.72

Finding the Fourth Proportional to 265,389.60, 365,540.40 and 204,018.72

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Solution

The fourth proportional to 265,389.60, 365,540.40 and 204,018.72 is: 281,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,389.60 : 365,540.40 = 204,018.72 : x
  2. Step 2: Convert to fraction form
    265,389.60/365,540.40 = 204,018.72/x
  3. Step 3: Cross multiply
    265,389.60x = 365,540.40 × 204,018.72
  4. Step 4: Simplify right side
    265,389.60x = 74,577,084,516.29
  5. Step 5: Solve for x
    x = 74,577,084,516.29/265,389.60
  6. Step 6: Final answer
    x = 281,009.82

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1.5x scale

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.