Home / 215,064.58-322,357.83-162,302.98

Finding the Fourth Proportional to 215,064.58, 322,357.83 and 162,302.98

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Solution

The fourth proportional to 215,064.58, 322,357.83 and 162,302.98 is: 243,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,064.58 : 322,357.83 = 162,302.98 : x
  2. Step 2: Convert to fraction form
    215,064.58/322,357.83 = 162,302.98/x
  3. Step 3: Cross multiply
    215,064.58x = 322,357.83 × 162,302.98
  4. Step 4: Simplify right side
    215,064.58x = 52,319,636,435.33
  5. Step 5: Solve for x
    x = 52,319,636,435.33/215,064.58
  6. Step 6: Final answer
    x = 243,274.07

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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.