Home / 612,623.40-918,558.78-238,209.96

Finding the Fourth Proportional to 612,623.40, 918,558.78 and 238,209.96

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Solution

The fourth proportional to 612,623.40, 918,558.78 and 238,209.96 is: 357,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,623.40 : 918,558.78 = 238,209.96 : x
  2. Step 2: Convert to fraction form
    612,623.40/918,558.78 = 238,209.96/x
  3. Step 3: Cross multiply
    612,623.40x = 918,558.78 × 238,209.96
  4. Step 4: Simplify right side
    612,623.40x = 218,809,850,241.45
  5. Step 5: Solve for x
    x = 218,809,850,241.45/612,623.40
  6. Step 6: Final answer
    x = 357,168.61

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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.