Home / 284,066.16-392,022.92-163,245.36

Finding the Fourth Proportional to 284,066.16, 392,022.92 and 163,245.36

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Solution

The fourth proportional to 284,066.16, 392,022.92 and 163,245.36 is: 225,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,066.16 : 392,022.92 = 163,245.36 : x
  2. Step 2: Convert to fraction form
    284,066.16/392,022.92 = 163,245.36/x
  3. Step 3: Cross multiply
    284,066.16x = 392,022.92 × 163,245.36
  4. Step 4: Simplify right side
    284,066.16x = 63,995,922,703.65
  5. Step 5: Solve for x
    x = 63,995,922,703.65/284,066.16
  6. Step 6: Final answer
    x = 225,285.27

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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.