Home / 285,389.32-393,836.26-164,530.02

Finding the Fourth Proportional to 285,389.32, 393,836.26 and 164,530.02

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Solution

The fourth proportional to 285,389.32, 393,836.26 and 164,530.02 is: 227,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,389.32 : 393,836.26 = 164,530.02 : x
  2. Step 2: Convert to fraction form
    285,389.32/393,836.26 = 164,530.02/x
  3. Step 3: Cross multiply
    285,389.32x = 393,836.26 × 164,530.02
  4. Step 4: Simplify right side
    285,389.32x = 64,797,887,734.53
  5. Step 5: Solve for x
    x = 64,797,887,734.53/285,389.32
  6. Step 6: Final answer
    x = 227,050.85

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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.