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Finding the Fourth Proportional to 264,333.60, 364,780.68 and 143,474.88

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Solution

The fourth proportional to 264,333.60, 364,780.68 and 143,474.88 is: 197,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,333.60 : 364,780.68 = 143,474.88 : x
  2. Step 2: Convert to fraction form
    264,333.60/364,780.68 = 143,474.88/x
  3. Step 3: Cross multiply
    264,333.60x = 364,780.68 × 143,474.88
  4. Step 4: Simplify right side
    264,333.60x = 52,336,864,289.32
  5. Step 5: Solve for x
    x = 52,336,864,289.32/264,333.60
  6. Step 6: Final answer
    x = 197,995.50

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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.