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Finding the Fourth Proportional to 277,352.80, 382,747.01 and 150,028.40

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Solution

The fourth proportional to 277,352.80, 382,747.01 and 150,028.40 is: 207,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,352.80 : 382,747.01 = 150,028.40 : x
  2. Step 2: Convert to fraction form
    277,352.80/382,747.01 = 150,028.40/x
  3. Step 3: Cross multiply
    277,352.80x = 382,747.01 × 150,028.40
  4. Step 4: Simplify right side
    277,352.80x = 57,422,921,721.81
  5. Step 5: Solve for x
    x = 57,422,921,721.81/277,352.80
  6. Step 6: Final answer
    x = 207,039.27

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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.