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Finding the Fourth Proportional to 291,925.56, 437,729.38 and 131,813.87

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Solution

The fourth proportional to 291,925.56, 437,729.38 and 131,813.87 is: 197,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,925.56 : 437,729.38 = 131,813.87 : x
  2. Step 2: Convert to fraction form
    291,925.56/437,729.38 = 131,813.87/x
  3. Step 3: Cross multiply
    291,925.56x = 437,729.38 × 131,813.87
  4. Step 4: Simplify right side
    291,925.56x = 57,698,804,355.29
  5. Step 5: Solve for x
    x = 57,698,804,355.29/291,925.56
  6. Step 6: Final answer
    x = 197,649.03

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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.