Home / 353,046.40-487,192.08-202,114.24

Finding the Fourth Proportional to 353,046.40, 487,192.08 and 202,114.24

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Solution

The fourth proportional to 353,046.40, 487,192.08 and 202,114.24 is: 278,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,046.40 : 487,192.08 = 202,114.24 : x
  2. Step 2: Convert to fraction form
    353,046.40/487,192.08 = 202,114.24/x
  3. Step 3: Cross multiply
    353,046.40x = 487,192.08 × 202,114.24
  4. Step 4: Simplify right side
    353,046.40x = 98,468,456,983.22
  5. Step 5: Solve for x
    x = 98,468,456,983.22/353,046.40
  6. Step 6: Final answer
    x = 278,910.81

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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.