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Finding the Fourth Proportional to 599,996.80, 900,124.80 and 179,315.20

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Solution

The fourth proportional to 599,996.80, 900,124.80 and 179,315.20 is: 269,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,996.80 : 900,124.80 = 179,315.20 : x
  2. Step 2: Convert to fraction form
    599,996.80/900,124.80 = 179,315.20/x
  3. Step 3: Cross multiply
    599,996.80x = 900,124.80 × 179,315.20
  4. Step 4: Simplify right side
    599,996.80x = 161,406,058,536.96
  5. Step 5: Solve for x
    x = 161,406,058,536.96/599,996.80
  6. Step 6: Final answer
    x = 269,011.53

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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.