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Finding the Fourth Proportional to 364,993.60, 547,393.20 and 112,273.60

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Solution

The fourth proportional to 364,993.60, 547,393.20 and 112,273.60 is: 168,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,993.60 : 547,393.20 = 112,273.60 : x
  2. Step 2: Convert to fraction form
    364,993.60/547,393.20 = 112,273.60/x
  3. Step 3: Cross multiply
    364,993.60x = 547,393.20 × 112,273.60
  4. Step 4: Simplify right side
    364,993.60x = 61,457,805,179.52
  5. Step 5: Solve for x
    x = 61,457,805,179.52/364,993.60
  6. Step 6: Final answer
    x = 168,380.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.