Home / 291,624.65-437,278.68-131,513.25

Finding the Fourth Proportional to 291,624.65, 437,278.68 and 131,513.25

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Solution

The fourth proportional to 291,624.65, 437,278.68 and 131,513.25 is: 197,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,624.65 : 437,278.68 = 131,513.25 : x
  2. Step 2: Convert to fraction form
    291,624.65/437,278.68 = 131,513.25/x
  3. Step 3: Cross multiply
    291,624.65x = 437,278.68 × 131,513.25
  4. Step 4: Simplify right side
    291,624.65x = 57,507,940,362.51
  5. Step 5: Solve for x
    x = 57,507,940,362.51/291,624.65
  6. Step 6: Final answer
    x = 197,198.49

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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.