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Finding the Fourth Proportional to 310,745.54, 465,306.09 and 291,804.88

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Solution

The fourth proportional to 310,745.54, 465,306.09 and 291,804.88 is: 436,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,745.54 : 465,306.09 = 291,804.88 : x
  2. Step 2: Convert to fraction form
    310,745.54/465,306.09 = 291,804.88/x
  3. Step 3: Cross multiply
    310,745.54x = 465,306.09 × 291,804.88
  4. Step 4: Simplify right side
    310,745.54x = 135,778,586,592.45
  5. Step 5: Solve for x
    x = 135,778,586,592.45/310,745.54
  6. Step 6: Final answer
    x = 436,944.61

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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.