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Finding the Fourth Proportional to 195,065.78, 292,598.64 and 54,824.41

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Solution

The fourth proportional to 195,065.78, 292,598.64 and 54,824.41 is: 82,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,065.78 : 292,598.64 = 54,824.41 : x
  2. Step 2: Convert to fraction form
    195,065.78/292,598.64 = 54,824.41/x
  3. Step 3: Cross multiply
    195,065.78x = 292,598.64 × 54,824.41
  4. Step 4: Simplify right side
    195,065.78x = 16,041,547,804.80
  5. Step 5: Solve for x
    x = 16,041,547,804.80/195,065.78
  6. Step 6: Final answer
    x = 82,236.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.