Home / 212,849.16-294,999.74-208,863.35

Finding the Fourth Proportional to 212,849.16, 294,999.74 and 208,863.35

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Solution

The fourth proportional to 212,849.16, 294,999.74 and 208,863.35 is: 289,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,849.16 : 294,999.74 = 208,863.35 : x
  2. Step 2: Convert to fraction form
    212,849.16/294,999.74 = 208,863.35/x
  3. Step 3: Cross multiply
    212,849.16x = 294,999.74 × 208,863.35
  4. Step 4: Simplify right side
    212,849.16x = 61,614,633,945.53
  5. Step 5: Solve for x
    x = 61,614,633,945.53/212,849.16
  6. Step 6: Final answer
    x = 289,475.58

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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.