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Finding the Fourth Proportional to 290,845.01, 436,032.17 and 130,803.73

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Solution

The fourth proportional to 290,845.01, 436,032.17 and 130,803.73 is: 196,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,845.01 : 436,032.17 = 130,803.73 : x
  2. Step 2: Convert to fraction form
    290,845.01/436,032.17 = 130,803.73/x
  3. Step 3: Cross multiply
    290,845.01x = 436,032.17 × 130,803.73
  4. Step 4: Simplify right side
    290,845.01x = 57,034,634,617.53
  5. Step 5: Solve for x
    x = 57,034,634,617.53/290,845.01
  6. Step 6: Final answer
    x = 196,099.76

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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.