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Finding the Fourth Proportional to 364,191.68, 546,303.92 and 136,541.39

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Solution

The fourth proportional to 364,191.68, 546,303.92 and 136,541.39 is: 204,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,191.68 : 546,303.92 = 136,541.39 : x
  2. Step 2: Convert to fraction form
    364,191.68/546,303.92 = 136,541.39/x
  3. Step 3: Cross multiply
    364,191.68x = 546,303.92 × 136,541.39
  4. Step 4: Simplify right side
    364,191.68x = 74,593,093,185.02
  5. Step 5: Solve for x
    x = 74,593,093,185.02/364,191.68
  6. Step 6: Final answer
    x = 204,818.23

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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.