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Finding the Fourth Proportional to 225,477.86, 311,162.63 and 123,501.24

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Solution

The fourth proportional to 225,477.86, 311,162.63 and 123,501.24 is: 170,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,477.86 : 311,162.63 = 123,501.24 : x
  2. Step 2: Convert to fraction form
    225,477.86/311,162.63 = 123,501.24/x
  3. Step 3: Cross multiply
    225,477.86x = 311,162.63 × 123,501.24
  4. Step 4: Simplify right side
    225,477.86x = 38,428,970,029.16
  5. Step 5: Solve for x
    x = 38,428,970,029.16/225,477.86
  6. Step 6: Final answer
    x = 170,433.46

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1.5x scale

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.