Home / 291,366.22-437,048.70-91,704.06

Finding the Fourth Proportional to 291,366.22, 437,048.70 and 91,704.06

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Solution

The fourth proportional to 291,366.22, 437,048.70 and 91,704.06 is: 137,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,366.22 : 437,048.70 = 91,704.06 : x
  2. Step 2: Convert to fraction form
    291,366.22/437,048.70 = 91,704.06/x
  3. Step 3: Cross multiply
    291,366.22x = 437,048.70 × 91,704.06
  4. Step 4: Simplify right side
    291,366.22x = 40,079,140,207.72
  5. Step 5: Solve for x
    x = 40,079,140,207.72/291,366.22
  6. Step 6: Final answer
    x = 137,555.89

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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.