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Finding the Fourth Proportional to 219,571.82, 303,009.31 and 118,969.82

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Solution

The fourth proportional to 219,571.82, 303,009.31 and 118,969.82 is: 164,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,571.82 : 303,009.31 = 118,969.82 : x
  2. Step 2: Convert to fraction form
    219,571.82/303,009.31 = 118,969.82/x
  3. Step 3: Cross multiply
    219,571.82x = 303,009.31 × 118,969.82
  4. Step 4: Simplify right side
    219,571.82x = 36,048,963,069.02
  5. Step 5: Solve for x
    x = 36,048,963,069.02/219,571.82
  6. Step 6: Final answer
    x = 164,178.46

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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.