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Finding the Fourth Proportional to 264,879.60, 397,319.40 and 159,903.60

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Solution

The fourth proportional to 264,879.60, 397,319.40 and 159,903.60 is: 239,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,879.60 : 397,319.40 = 159,903.60 : x
  2. Step 2: Convert to fraction form
    264,879.60/397,319.40 = 159,903.60/x
  3. Step 3: Cross multiply
    264,879.60x = 397,319.40 × 159,903.60
  4. Step 4: Simplify right side
    264,879.60x = 63,532,802,409.84
  5. Step 5: Solve for x
    x = 63,532,802,409.84/264,879.60
  6. Step 6: Final answer
    x = 239,855.40

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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.