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Finding the Fourth Proportional to 255,054.67, 382,450.15 and 75,116.68

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Solution

The fourth proportional to 255,054.67, 382,450.15 and 75,116.68 is: 112,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,054.67 : 382,450.15 = 75,116.68 : x
  2. Step 2: Convert to fraction form
    255,054.67/382,450.15 = 75,116.68/x
  3. Step 3: Cross multiply
    255,054.67x = 382,450.15 × 75,116.68
  4. Step 4: Simplify right side
    255,054.67x = 28,728,385,533.50
  5. Step 5: Solve for x
    x = 28,728,385,533.50/255,054.67
  6. Step 6: Final answer
    x = 112,636.19

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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.