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Finding the Fourth Proportional to 285,968.02, 394,683.18 and 158,684.62

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Solution

The fourth proportional to 285,968.02, 394,683.18 and 158,684.62 is: 219,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,968.02 : 394,683.18 = 158,684.62 : x
  2. Step 2: Convert to fraction form
    285,968.02/394,683.18 = 158,684.62/x
  3. Step 3: Cross multiply
    285,968.02x = 394,683.18 × 158,684.62
  4. Step 4: Simplify right side
    285,968.02x = 62,630,150,438.69
  5. Step 5: Solve for x
    x = 62,630,150,438.69/285,968.02
  6. Step 6: Final answer
    x = 219,011.03

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1.5x scale

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.