Home / 285,022.72-393,270.08-171,843.04

Finding the Fourth Proportional to 285,022.72, 393,270.08 and 171,843.04

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Solution

The fourth proportional to 285,022.72, 393,270.08 and 171,843.04 is: 237,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,022.72 : 393,270.08 = 171,843.04 : x
  2. Step 2: Convert to fraction form
    285,022.72/393,270.08 = 171,843.04/x
  3. Step 3: Cross multiply
    285,022.72x = 393,270.08 × 171,843.04
  4. Step 4: Simplify right side
    285,022.72x = 67,580,726,088.24
  5. Step 5: Solve for x
    x = 67,580,726,088.24/285,022.72
  6. Step 6: Final answer
    x = 237,106.45

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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.