Home / 285,228.29-393,702.59-164,450.21

Finding the Fourth Proportional to 285,228.29, 393,702.59 and 164,450.21

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Solution

The fourth proportional to 285,228.29, 393,702.59 and 164,450.21 is: 226,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,228.29 : 393,702.59 = 164,450.21 : x
  2. Step 2: Convert to fraction form
    285,228.29/393,702.59 = 164,450.21/x
  3. Step 3: Cross multiply
    285,228.29x = 393,702.59 × 164,450.21
  4. Step 4: Simplify right side
    285,228.29x = 64,744,472,045.66
  5. Step 5: Solve for x
    x = 64,744,472,045.66/285,228.29
  6. Step 6: Final answer
    x = 226,991.76

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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.