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Finding the Fourth Proportional to 277,477.81, 382,920.33 and 150,153.37

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Solution

The fourth proportional to 277,477.81, 382,920.33 and 150,153.37 is: 207,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,477.81 : 382,920.33 = 150,153.37 : x
  2. Step 2: Convert to fraction form
    277,477.81/382,920.33 = 150,153.37/x
  3. Step 3: Cross multiply
    277,477.81x = 382,920.33 × 150,153.37
  4. Step 4: Simplify right side
    277,477.81x = 57,496,777,991.01
  5. Step 5: Solve for x
    x = 57,496,777,991.01/277,477.81
  6. Step 6: Final answer
    x = 207,212.17

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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.