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Finding the Fourth Proportional to 217,350.21, 300,007.88 and 152,839.18

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Solution

The fourth proportional to 217,350.21, 300,007.88 and 152,839.18 is: 210,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,350.21 : 300,007.88 = 152,839.18 : x
  2. Step 2: Convert to fraction form
    217,350.21/300,007.88 = 152,839.18/x
  3. Step 3: Cross multiply
    217,350.21x = 300,007.88 × 152,839.18
  4. Step 4: Simplify right side
    217,350.21x = 45,852,957,283.07
  5. Step 5: Solve for x
    x = 45,852,957,283.07/217,350.21
  6. Step 6: Final answer
    x = 210,963.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.