Home / 284,396.36-392,450.82-163,518.44

Finding the Fourth Proportional to 284,396.36, 392,450.82 and 163,518.44

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Solution

The fourth proportional to 284,396.36, 392,450.82 and 163,518.44 is: 225,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,396.36 : 392,450.82 = 163,518.44 : x
  2. Step 2: Convert to fraction form
    284,396.36/392,450.82 = 163,518.44/x
  3. Step 3: Cross multiply
    284,396.36x = 392,450.82 × 163,518.44
  4. Step 4: Simplify right side
    284,396.36x = 64,172,945,863.12
  5. Step 5: Solve for x
    x = 64,172,945,863.12/284,396.36
  6. Step 6: Final answer
    x = 225,646.16

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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.