Home / 225,582.45-311,303.86-123,607.09

Finding the Fourth Proportional to 225,582.45, 311,303.86 and 123,607.09

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Solution

The fourth proportional to 225,582.45, 311,303.86 and 123,607.09 is: 170,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,582.45 : 311,303.86 = 123,607.09 : x
  2. Step 2: Convert to fraction form
    225,582.45/311,303.86 = 123,607.09/x
  3. Step 3: Cross multiply
    225,582.45x = 311,303.86 × 123,607.09
  4. Step 4: Simplify right side
    225,582.45x = 38,479,362,683.85
  5. Step 5: Solve for x
    x = 38,479,362,683.85/225,582.45
  6. Step 6: Final answer
    x = 170,577.82

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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.