Home / 324,942.93-487,206.75-156,127.32

Finding the Fourth Proportional to 324,942.93, 487,206.75 and 156,127.32

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Solution

The fourth proportional to 324,942.93, 487,206.75 and 156,127.32 is: 234,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,942.93 : 487,206.75 = 156,127.32 : x
  2. Step 2: Convert to fraction form
    324,942.93/487,206.75 = 156,127.32/x
  3. Step 3: Cross multiply
    324,942.93x = 487,206.75 × 156,127.32
  4. Step 4: Simplify right side
    324,942.93x = 76,066,284,163.41
  5. Step 5: Solve for x
    x = 76,066,284,163.41/324,942.93
  6. Step 6: Final answer
    x = 234,091.21

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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.