Home / 447,504.03-671,189.37-147,986.18

Finding the Fourth Proportional to 447,504.03, 671,189.37 and 147,986.18

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Solution

The fourth proportional to 447,504.03, 671,189.37 and 147,986.18 is: 221,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,504.03 : 671,189.37 = 147,986.18 : x
  2. Step 2: Convert to fraction form
    447,504.03/671,189.37 = 147,986.18/x
  3. Step 3: Cross multiply
    447,504.03x = 671,189.37 × 147,986.18
  4. Step 4: Simplify right side
    447,504.03x = 99,326,750,922.91
  5. Step 5: Solve for x
    x = 99,326,750,922.91/447,504.03
  6. Step 6: Final answer
    x = 221,957.22

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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.