Home / 308,284.24-425,431.02-172,318.04

Finding the Fourth Proportional to 308,284.24, 425,431.02 and 172,318.04

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Solution

The fourth proportional to 308,284.24, 425,431.02 and 172,318.04 is: 237,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,284.24 : 425,431.02 = 172,318.04 : x
  2. Step 2: Convert to fraction form
    308,284.24/425,431.02 = 172,318.04/x
  3. Step 3: Cross multiply
    308,284.24x = 425,431.02 × 172,318.04
  4. Step 4: Simplify right side
    308,284.24x = 73,309,439,521.60
  5. Step 5: Solve for x
    x = 73,309,439,521.60/308,284.24
  6. Step 6: Final answer
    x = 237,798.21

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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.