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Finding the Fourth Proportional to 285,119.58, 393,494.31 and 164,265.42

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Solution

The fourth proportional to 285,119.58, 393,494.31 and 164,265.42 is: 226,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,119.58 : 393,494.31 = 164,265.42 : x
  2. Step 2: Convert to fraction form
    285,119.58/393,494.31 = 164,265.42/x
  3. Step 3: Cross multiply
    285,119.58x = 393,494.31 × 164,265.42
  4. Step 4: Simplify right side
    285,119.58x = 64,637,508,099.76
  5. Step 5: Solve for x
    x = 64,637,508,099.76/285,119.58
  6. Step 6: Final answer
    x = 226,703.15

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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.