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Finding the Fourth Proportional to 355,460.80, 532,327.20 and 188,881.60

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Solution

The fourth proportional to 355,460.80, 532,327.20 and 188,881.60 is: 282,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,460.80 : 532,327.20 = 188,881.60 : x
  2. Step 2: Convert to fraction form
    355,460.80/532,327.20 = 188,881.60/x
  3. Step 3: Cross multiply
    355,460.80x = 532,327.20 × 188,881.60
  4. Step 4: Simplify right side
    355,460.80x = 100,546,813,259.52
  5. Step 5: Solve for x
    x = 100,546,813,259.52/355,460.80
  6. Step 6: Final answer
    x = 282,863.30

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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.