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Finding the Fourth Proportional to 222,746.20, 334,404.54 and 191,357.08

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Solution

The fourth proportional to 222,746.20, 334,404.54 and 191,357.08 is: 287,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,746.20 : 334,404.54 = 191,357.08 : x
  2. Step 2: Convert to fraction form
    222,746.20/334,404.54 = 191,357.08/x
  3. Step 3: Cross multiply
    222,746.20x = 334,404.54 × 191,357.08
  4. Step 4: Simplify right side
    222,746.20x = 63,990,676,313.14
  5. Step 5: Solve for x
    x = 63,990,676,313.14/222,746.20
  6. Step 6: Final answer
    x = 287,280.66

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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.