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Finding the Fourth Proportional to 222,852.69, 307,504.22 and 127,340.93

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Solution

The fourth proportional to 222,852.69, 307,504.22 and 127,340.93 is: 175,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,852.69 : 307,504.22 = 127,340.93 : x
  2. Step 2: Convert to fraction form
    222,852.69/307,504.22 = 127,340.93/x
  3. Step 3: Cross multiply
    222,852.69x = 307,504.22 × 127,340.93
  4. Step 4: Simplify right side
    222,852.69x = 39,157,871,179.50
  5. Step 5: Solve for x
    x = 39,157,871,179.50/222,852.69
  6. Step 6: Final answer
    x = 175,711.91

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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.