Home / 305,235.40-457,922.70-94,894.60

Finding the Fourth Proportional to 305,235.40, 457,922.70 and 94,894.60

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Solution

The fourth proportional to 305,235.40, 457,922.70 and 94,894.60 is: 142,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,235.40 : 457,922.70 = 94,894.60 : x
  2. Step 2: Convert to fraction form
    305,235.40/457,922.70 = 94,894.60/x
  3. Step 3: Cross multiply
    305,235.40x = 457,922.70 × 94,894.60
  4. Step 4: Simplify right side
    305,235.40x = 43,454,391,447.42
  5. Step 5: Solve for x
    x = 43,454,391,447.42/305,235.40
  6. Step 6: Final answer
    x = 142,363.54

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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.