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Finding the Fourth Proportional to 536,655.63, 804,975.22 and 137,293.02

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Solution

The fourth proportional to 536,655.63, 804,975.22 and 137,293.02 is: 205,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,655.63 : 804,975.22 = 137,293.02 : x
  2. Step 2: Convert to fraction form
    536,655.63/804,975.22 = 137,293.02/x
  3. Step 3: Cross multiply
    536,655.63x = 804,975.22 × 137,293.02
  4. Step 4: Simplify right side
    536,655.63x = 110,517,478,978.96
  5. Step 5: Solve for x
    x = 110,517,478,978.96/536,655.63
  6. Step 6: Final answer
    x = 205,937.43

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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.