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Finding the Fourth Proportional to 219,674.97, 329,578.02 and 155,756.25

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Solution

The fourth proportional to 219,674.97, 329,578.02 and 155,756.25 is: 233,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,674.97 : 329,578.02 = 155,756.25 : x
  2. Step 2: Convert to fraction form
    219,674.97/329,578.02 = 155,756.25/x
  3. Step 3: Cross multiply
    219,674.97x = 329,578.02 × 155,756.25
  4. Step 4: Simplify right side
    219,674.97x = 51,333,836,477.63
  5. Step 5: Solve for x
    x = 51,333,836,477.63/219,674.97
  6. Step 6: Final answer
    x = 233,680.86

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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.