Home / 537,937.56-742,131.36-320,103

Finding the Fourth Proportional to 537,937.56, 742,131.36 and 320,103

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Solution

The fourth proportional to 537,937.56, 742,131.36 and 320,103 is: 441,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,937.56 : 742,131.36 = 320,103 : x
  2. Step 2: Convert to fraction form
    537,937.56/742,131.36 = 320,103/x
  3. Step 3: Cross multiply
    537,937.56x = 742,131.36 × 320,103
  4. Step 4: Simplify right side
    537,937.56x = 237,558,474,730.08
  5. Step 5: Solve for x
    x = 237,558,474,730.08/537,937.56
  6. Step 6: Final answer
    x = 441,609.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.