Home / 212,849.28-294,999.92-208,863.47

Finding the Fourth Proportional to 212,849.28, 294,999.92 and 208,863.47

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Solution

The fourth proportional to 212,849.28, 294,999.92 and 208,863.47 is: 289,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,849.28 : 294,999.92 = 208,863.47 : x
  2. Step 2: Convert to fraction form
    212,849.28/294,999.92 = 208,863.47/x
  3. Step 3: Cross multiply
    212,849.28x = 294,999.92 × 208,863.47
  4. Step 4: Simplify right side
    212,849.28x = 61,614,707,417.34
  5. Step 5: Solve for x
    x = 61,614,707,417.34/212,849.28
  6. Step 6: Final answer
    x = 289,475.76

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.