Home / 412,941.80-619,461.30-146,646.20

Finding the Fourth Proportional to 412,941.80, 619,461.30 and 146,646.20

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Solution

The fourth proportional to 412,941.80, 619,461.30 and 146,646.20 is: 219,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,941.80 : 619,461.30 = 146,646.20 : x
  2. Step 2: Convert to fraction form
    412,941.80/619,461.30 = 146,646.20/x
  3. Step 3: Cross multiply
    412,941.80x = 619,461.30 × 146,646.20
  4. Step 4: Simplify right side
    412,941.80x = 90,841,645,692.06
  5. Step 5: Solve for x
    x = 90,841,645,692.06/412,941.80
  6. Step 6: Final answer
    x = 219,986.56

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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.