Home / 247,632.32-371,430.30-79,107.38

Finding the Fourth Proportional to 247,632.32, 371,430.30 and 79,107.38

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Solution

The fourth proportional to 247,632.32, 371,430.30 and 79,107.38 is: 118,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,632.32 : 371,430.30 = 79,107.38 : x
  2. Step 2: Convert to fraction form
    247,632.32/371,430.30 = 79,107.38/x
  3. Step 3: Cross multiply
    247,632.32x = 371,430.30 × 79,107.38
  4. Step 4: Simplify right side
    247,632.32x = 29,382,878,814.19
  5. Step 5: Solve for x
    x = 29,382,878,814.19/247,632.32
  6. Step 6: Final answer
    x = 118,655.27

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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.