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Finding the Fourth Proportional to 604,053.92, 906,059.88 and 154,778.48

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Solution

The fourth proportional to 604,053.92, 906,059.88 and 154,778.48 is: 232,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,053.92 : 906,059.88 = 154,778.48 : x
  2. Step 2: Convert to fraction form
    604,053.92/906,059.88 = 154,778.48/x
  3. Step 3: Cross multiply
    604,053.92x = 906,059.88 × 154,778.48
  4. Step 4: Simplify right side
    604,053.92x = 140,238,571,015.38
  5. Step 5: Solve for x
    x = 140,238,571,015.38/604,053.92
  6. Step 6: Final answer
    x = 232,162.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.