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Finding the Fourth Proportional to 277,477.85, 382,919.94 and 150,153.48

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Solution

The fourth proportional to 277,477.85, 382,919.94 and 150,153.48 is: 207,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,477.85 : 382,919.94 = 150,153.48 : x
  2. Step 2: Convert to fraction form
    277,477.85/382,919.94 = 150,153.48/x
  3. Step 3: Cross multiply
    277,477.85x = 382,919.94 × 150,153.48
  4. Step 4: Simplify right side
    277,477.85x = 57,496,761,552.39
  5. Step 5: Solve for x
    x = 57,496,761,552.39/277,477.85
  6. Step 6: Final answer
    x = 207,212.07

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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.