Home / 291,154.44-436,585.86-91,472.16

Finding the Fourth Proportional to 291,154.44, 436,585.86 and 91,472.16

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Solution

The fourth proportional to 291,154.44, 436,585.86 and 91,472.16 is: 137,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,154.44 : 436,585.86 = 91,472.16 : x
  2. Step 2: Convert to fraction form
    291,154.44/436,585.86 = 91,472.16/x
  3. Step 3: Cross multiply
    291,154.44x = 436,585.86 × 91,472.16
  4. Step 4: Simplify right side
    291,154.44x = 39,935,451,639.66
  5. Step 5: Solve for x
    x = 39,935,451,639.66/291,154.44
  6. Step 6: Final answer
    x = 137,162.43

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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.