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Finding the Fourth Proportional to 198,159.98, 297,293.62 and 141,305.72

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Solution

The fourth proportional to 198,159.98, 297,293.62 and 141,305.72 is: 211,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,159.98 : 297,293.62 = 141,305.72 : x
  2. Step 2: Convert to fraction form
    198,159.98/297,293.62 = 141,305.72/x
  3. Step 3: Cross multiply
    198,159.98x = 297,293.62 × 141,305.72
  4. Step 4: Simplify right side
    198,159.98x = 42,009,289,561.71
  5. Step 5: Solve for x
    x = 42,009,289,561.71/198,159.98
  6. Step 6: Final answer
    x = 211,996.84

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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.