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Finding the Fourth Proportional to 215,356.01, 297,194.13 and 118,571.13

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Solution

The fourth proportional to 215,356.01, 297,194.13 and 118,571.13 is: 163,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,356.01 : 297,194.13 = 118,571.13 : x
  2. Step 2: Convert to fraction form
    215,356.01/297,194.13 = 118,571.13/x
  3. Step 3: Cross multiply
    215,356.01x = 297,194.13 × 118,571.13
  4. Step 4: Simplify right side
    215,356.01x = 35,238,643,823.47
  5. Step 5: Solve for x
    x = 35,238,643,823.47/215,356.01
  6. Step 6: Final answer
    x = 163,629.72

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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.