Home / 285,150.90-393,606.60-164,340.42

Finding the Fourth Proportional to 285,150.90, 393,606.60 and 164,340.42

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Solution

The fourth proportional to 285,150.90, 393,606.60 and 164,340.42 is: 226,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,150.90 : 393,606.60 = 164,340.42 : x
  2. Step 2: Convert to fraction form
    285,150.90/393,606.60 = 164,340.42/x
  3. Step 3: Cross multiply
    285,150.90x = 393,606.60 × 164,340.42
  4. Step 4: Simplify right side
    285,150.90x = 64,685,473,958.77
  5. Step 5: Solve for x
    x = 64,685,473,958.77/285,150.90
  6. Step 6: Final answer
    x = 226,846.47

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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.