Home / 285,904.04-394,289.30-178,483.96

Finding the Fourth Proportional to 285,904.04, 394,289.30 and 178,483.96

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Solution

The fourth proportional to 285,904.04, 394,289.30 and 178,483.96 is: 246,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,904.04 : 394,289.30 = 178,483.96 : x
  2. Step 2: Convert to fraction form
    285,904.04/394,289.30 = 178,483.96/x
  3. Step 3: Cross multiply
    285,904.04x = 394,289.30 × 178,483.96
  4. Step 4: Simplify right side
    285,904.04x = 70,374,315,649.63
  5. Step 5: Solve for x
    x = 70,374,315,649.63/285,904.04
  6. Step 6: Final answer
    x = 246,146.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.