Home / 238,621.40-357,923.88-61,129.96

Finding the Fourth Proportional to 238,621.40, 357,923.88 and 61,129.96

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Solution

The fourth proportional to 238,621.40, 357,923.88 and 61,129.96 is: 91,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,621.40 : 357,923.88 = 61,129.96 : x
  2. Step 2: Convert to fraction form
    238,621.40/357,923.88 = 61,129.96/x
  3. Step 3: Cross multiply
    238,621.40x = 357,923.88 × 61,129.96
  4. Step 4: Simplify right side
    238,621.40x = 21,879,872,467.44
  5. Step 5: Solve for x
    x = 21,879,872,467.44/238,621.40
  6. Step 6: Final answer
    x = 91,692.83

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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.