Home / 447,503.03-671,187.87-147,985.18

Finding the Fourth Proportional to 447,503.03, 671,187.87 and 147,985.18

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Solution

The fourth proportional to 447,503.03, 671,187.87 and 147,985.18 is: 221,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,503.03 : 671,187.87 = 147,985.18 : x
  2. Step 2: Convert to fraction form
    447,503.03/671,187.87 = 147,985.18/x
  3. Step 3: Cross multiply
    447,503.03x = 671,187.87 × 147,985.18
  4. Step 4: Simplify right side
    447,503.03x = 99,325,856,077.80
  5. Step 5: Solve for x
    x = 99,325,856,077.80/447,503.03
  6. Step 6: Final answer
    x = 221,955.72

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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.