Home / 285,387.32-393,833.50-164,528.02

Finding the Fourth Proportional to 285,387.32, 393,833.50 and 164,528.02

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Solution

The fourth proportional to 285,387.32, 393,833.50 and 164,528.02 is: 227,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,387.32 : 393,833.50 = 164,528.02 : x
  2. Step 2: Convert to fraction form
    285,387.32/393,833.50 = 164,528.02/x
  3. Step 3: Cross multiply
    285,387.32x = 393,833.50 × 164,528.02
  4. Step 4: Simplify right side
    285,387.32x = 64,796,645,964.67
  5. Step 5: Solve for x
    x = 64,796,645,964.67/285,387.32
  6. Step 6: Final answer
    x = 227,048.09

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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.