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Finding the Fourth Proportional to 260,416.00, 390,624.98 and 91,844.77

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Solution

The fourth proportional to 260,416.00, 390,624.98 and 91,844.77 is: 137,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,416.00 : 390,624.98 = 91,844.77 : x
  2. Step 2: Convert to fraction form
    260,416.00/390,624.98 = 91,844.77/x
  3. Step 3: Cross multiply
    260,416.00x = 390,624.98 × 91,844.77
  4. Step 4: Simplify right side
    260,416.00x = 35,876,861,257.62
  5. Step 5: Solve for x
    x = 35,876,861,257.62/260,416.00
  6. Step 6: Final answer
    x = 137,767.50

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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.