Home / 226,295.72-312,253.38-130,783.98

Finding the Fourth Proportional to 226,295.72, 312,253.38 and 130,783.98

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Solution

The fourth proportional to 226,295.72, 312,253.38 and 130,783.98 is: 180,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,295.72 : 312,253.38 = 130,783.98 : x
  2. Step 2: Convert to fraction form
    226,295.72/312,253.38 = 130,783.98/x
  3. Step 3: Cross multiply
    226,295.72x = 312,253.38 × 130,783.98
  4. Step 4: Simplify right side
    226,295.72x = 40,837,739,804.85
  5. Step 5: Solve for x
    x = 40,837,739,804.85/226,295.72
  6. Step 6: Final answer
    x = 180,461.83

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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.