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Finding the Fourth Proportional to 536,653.63, 804,972.22 and 137,291.02

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Solution

The fourth proportional to 536,653.63, 804,972.22 and 137,291.02 is: 205,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,653.63 : 804,972.22 = 137,291.02 : x
  2. Step 2: Convert to fraction form
    536,653.63/804,972.22 = 137,291.02/x
  3. Step 3: Cross multiply
    536,653.63x = 804,972.22 × 137,291.02
  4. Step 4: Simplify right side
    536,653.63x = 110,515,457,155.46
  5. Step 5: Solve for x
    x = 110,515,457,155.46/536,653.63
  6. Step 6: Final answer
    x = 205,934.43

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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.