Home / 352,853.08-487,014.24-217,003.90

Finding the Fourth Proportional to 352,853.08, 487,014.24 and 217,003.90

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Solution

The fourth proportional to 352,853.08, 487,014.24 and 217,003.90 is: 299,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,853.08 : 487,014.24 = 217,003.90 : x
  2. Step 2: Convert to fraction form
    352,853.08/487,014.24 = 217,003.90/x
  3. Step 3: Cross multiply
    352,853.08x = 487,014.24 × 217,003.90
  4. Step 4: Simplify right side
    352,853.08x = 105,683,989,435.54
  5. Step 5: Solve for x
    x = 105,683,989,435.54/352,853.08
  6. Step 6: Final answer
    x = 299,512.73

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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.