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Finding the Fourth Proportional to 497,347.08, 686,338.98 and 270,992.58

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Solution

The fourth proportional to 497,347.08, 686,338.98 and 270,992.58 is: 373,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,347.08 : 686,338.98 = 270,992.58 : x
  2. Step 2: Convert to fraction form
    497,347.08/686,338.98 = 270,992.58/x
  3. Step 3: Cross multiply
    497,347.08x = 686,338.98 × 270,992.58
  4. Step 4: Simplify right side
    497,347.08x = 185,992,770,944.77
  5. Step 5: Solve for x
    x = 185,992,770,944.77/497,347.08
  6. Step 6: Final answer
    x = 373,969.77

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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.