Home / 207,828.61-310,964.43-147,995.37

Finding the Fourth Proportional to 207,828.61, 310,964.43 and 147,995.37

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Solution

The fourth proportional to 207,828.61, 310,964.43 and 147,995.37 is: 221,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,828.61 : 310,964.43 = 147,995.37 : x
  2. Step 2: Convert to fraction form
    207,828.61/310,964.43 = 147,995.37/x
  3. Step 3: Cross multiply
    207,828.61x = 310,964.43 × 147,995.37
  4. Step 4: Simplify right side
    207,828.61x = 46,021,295,874.69
  5. Step 5: Solve for x
    x = 46,021,295,874.69/207,828.61
  6. Step 6: Final answer
    x = 221,438.69

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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.