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Finding the Fourth Proportional to 469,015.02, 647,238 and 254,155.08

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Solution

The fourth proportional to 469,015.02, 647,238 and 254,155.08 is: 350,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,015.02 : 647,238 = 254,155.08 : x
  2. Step 2: Convert to fraction form
    469,015.02/647,238 = 254,155.08/x
  3. Step 3: Cross multiply
    469,015.02x = 647,238 × 254,155.08
  4. Step 4: Simplify right side
    469,015.02x = 164,498,825,669.04
  5. Step 5: Solve for x
    x = 164,498,825,669.04/469,015.02
  6. Step 6: Final answer
    x = 350,732.53

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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.