Home / 394,918.41-592,014.18-214,740.60

Finding the Fourth Proportional to 394,918.41, 592,014.18 and 214,740.60

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Solution

The fourth proportional to 394,918.41, 592,014.18 and 214,740.60 is: 321,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,918.41 : 592,014.18 = 214,740.60 : x
  2. Step 2: Convert to fraction form
    394,918.41/592,014.18 = 214,740.60/x
  3. Step 3: Cross multiply
    394,918.41x = 592,014.18 × 214,740.60
  4. Step 4: Simplify right side
    394,918.41x = 127,129,480,221.71
  5. Step 5: Solve for x
    x = 127,129,480,221.71/394,918.41
  6. Step 6: Final answer
    x = 321,913.28

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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.