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Finding the Fourth Proportional to 604,171.48, 906,236.10 and 154,896.88

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Solution

The fourth proportional to 604,171.48, 906,236.10 and 154,896.88 is: 232,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,171.48 : 906,236.10 = 154,896.88 : x
  2. Step 2: Convert to fraction form
    604,171.48/906,236.10 = 154,896.88/x
  3. Step 3: Cross multiply
    604,171.48x = 906,236.10 × 154,896.88
  4. Step 4: Simplify right side
    604,171.48x = 140,373,144,433.37
  5. Step 5: Solve for x
    x = 140,373,144,433.37/604,171.48
  6. Step 6: Final answer
    x = 232,339.91

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1.5x scale

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.