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Finding the Fourth Proportional to 207,276.62, 310,416.68 and 118,260.24

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Solution

The fourth proportional to 207,276.62, 310,416.68 and 118,260.24 is: 177,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,276.62 : 310,416.68 = 118,260.24 : x
  2. Step 2: Convert to fraction form
    207,276.62/310,416.68 = 118,260.24/x
  3. Step 3: Cross multiply
    207,276.62x = 310,416.68 × 118,260.24
  4. Step 4: Simplify right side
    207,276.62x = 36,709,950,485.50
  5. Step 5: Solve for x
    x = 36,709,950,485.50/207,276.62
  6. Step 6: Final answer
    x = 177,106.09

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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.