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Finding the Fourth Proportional to 308,668.03, 465,315.58 and 288,093.16

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Solution

The fourth proportional to 308,668.03, 465,315.58 and 288,093.16 is: 434,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,668.03 : 465,315.58 = 288,093.16 : x
  2. Step 2: Convert to fraction form
    308,668.03/465,315.58 = 288,093.16/x
  3. Step 3: Cross multiply
    308,668.03x = 465,315.58 × 288,093.16
  4. Step 4: Simplify right side
    308,668.03x = 134,054,235,839.43
  5. Step 5: Solve for x
    x = 134,054,235,839.43/308,668.03
  6. Step 6: Final answer
    x = 434,299.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.