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Finding the Fourth Proportional to 277,317.90, 382,698.73 and 149,993.50

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Solution

The fourth proportional to 277,317.90, 382,698.73 and 149,993.50 is: 206,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,317.90 : 382,698.73 = 149,993.50 : x
  2. Step 2: Convert to fraction form
    277,317.90/382,698.73 = 149,993.50/x
  3. Step 3: Cross multiply
    277,317.90x = 382,698.73 × 149,993.50
  4. Step 4: Simplify right side
    277,317.90x = 57,402,319,986.51
  5. Step 5: Solve for x
    x = 57,402,319,986.51/277,317.90
  6. Step 6: Final answer
    x = 206,991.04

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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.