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Finding the Fourth Proportional to 356,262.76, 491,648.16 and 195,114.88

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Solution

The fourth proportional to 356,262.76, 491,648.16 and 195,114.88 is: 269,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,262.76 : 491,648.16 = 195,114.88 : x
  2. Step 2: Convert to fraction form
    356,262.76/491,648.16 = 195,114.88/x
  3. Step 3: Cross multiply
    356,262.76x = 491,648.16 × 195,114.88
  4. Step 4: Simplify right side
    356,262.76x = 95,927,871,740.62
  5. Step 5: Solve for x
    x = 95,927,871,740.62/356,262.76
  6. Step 6: Final answer
    x = 269,261.57

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1.5x scale

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.