Home / 212,848.91-294,999.40-208,863.10

Finding the Fourth Proportional to 212,848.91, 294,999.40 and 208,863.10

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Solution

The fourth proportional to 212,848.91, 294,999.40 and 208,863.10 is: 289,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,848.91 : 294,999.40 = 208,863.10 : x
  2. Step 2: Convert to fraction form
    212,848.91/294,999.40 = 208,863.10/x
  3. Step 3: Cross multiply
    212,848.91x = 294,999.40 × 208,863.10
  4. Step 4: Simplify right side
    212,848.91x = 61,614,487,922.48
  5. Step 5: Solve for x
    x = 61,614,487,922.48/212,848.91
  6. Step 6: Final answer
    x = 289,475.24

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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.