Home / 305,026.75-420,951.90-184,165.84

Finding the Fourth Proportional to 305,026.75, 420,951.90 and 184,165.84

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Solution

The fourth proportional to 305,026.75, 420,951.90 and 184,165.84 is: 254,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,026.75 : 420,951.90 = 184,165.84 : x
  2. Step 2: Convert to fraction form
    305,026.75/420,951.90 = 184,165.84/x
  3. Step 3: Cross multiply
    305,026.75x = 420,951.90 × 184,165.84
  4. Step 4: Simplify right side
    305,026.75x = 77,524,960,263.10
  5. Step 5: Solve for x
    x = 77,524,960,263.10/305,026.75
  6. Step 6: Final answer
    x = 254,157.91

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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.