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Finding the Fourth Proportional to 612,188.94, 918,282.06 and 162,909.84

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Solution

The fourth proportional to 612,188.94, 918,282.06 and 162,909.84 is: 244,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,188.94 : 918,282.06 = 162,909.84 : x
  2. Step 2: Convert to fraction form
    612,188.94/918,282.06 = 162,909.84/x
  3. Step 3: Cross multiply
    612,188.94x = 918,282.06 × 162,909.84
  4. Step 4: Simplify right side
    612,188.94x = 149,597,183,469.47
  5. Step 5: Solve for x
    x = 149,597,183,469.47/612,188.94
  6. Step 6: Final answer
    x = 244,364.40

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Similar ratio
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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.