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Finding the Fourth Proportional to 295,187.60, 442,846.20 and 145,499.60

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Solution

The fourth proportional to 295,187.60, 442,846.20 and 145,499.60 is: 218,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,187.60 : 442,846.20 = 145,499.60 : x
  2. Step 2: Convert to fraction form
    295,187.60/442,846.20 = 145,499.60/x
  3. Step 3: Cross multiply
    295,187.60x = 442,846.20 × 145,499.60
  4. Step 4: Simplify right side
    295,187.60x = 64,433,944,961.52
  5. Step 5: Solve for x
    x = 64,433,944,961.52/295,187.60
  6. Step 6: Final answer
    x = 218,281.34

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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.