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Finding the Fourth Proportional to 484,085.00, 668,055.74 and 269,240.60

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Solution

The fourth proportional to 484,085.00, 668,055.74 and 269,240.60 is: 371,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,085.00 : 668,055.74 = 269,240.60 : x
  2. Step 2: Convert to fraction form
    484,085.00/668,055.74 = 269,240.60/x
  3. Step 3: Cross multiply
    484,085.00x = 668,055.74 × 269,240.60
  4. Step 4: Simplify right side
    484,085.00x = 179,867,728,594.98
  5. Step 5: Solve for x
    x = 179,867,728,594.98/484,085.00
  6. Step 6: Final answer
    x = 371,562.28

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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.