Home / 467,496.27-645,145.02-252,636.21

Finding the Fourth Proportional to 467,496.27, 645,145.02 and 252,636.21

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Solution

The fourth proportional to 467,496.27, 645,145.02 and 252,636.21 is: 348,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,496.27 : 645,145.02 = 252,636.21 : x
  2. Step 2: Convert to fraction form
    467,496.27/645,145.02 = 252,636.21/x
  3. Step 3: Cross multiply
    467,496.27x = 645,145.02 × 252,636.21
  4. Step 4: Simplify right side
    467,496.27x = 162,986,992,753.17
  5. Step 5: Solve for x
    x = 162,986,992,753.17/467,496.27
  6. Step 6: Final answer
    x = 348,638.06

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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.