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Finding the Fourth Proportional to 222,999.74, 307,995.05 and 146,859.19

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Solution

The fourth proportional to 222,999.74, 307,995.05 and 146,859.19 is: 202,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,999.74 : 307,995.05 = 146,859.19 : x
  2. Step 2: Convert to fraction form
    222,999.74/307,995.05 = 146,859.19/x
  3. Step 3: Cross multiply
    222,999.74x = 307,995.05 × 146,859.19
  4. Step 4: Simplify right side
    222,999.74x = 45,231,903,164.17
  5. Step 5: Solve for x
    x = 45,231,903,164.17/222,999.74
  6. Step 6: Final answer
    x = 202,833.89

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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.