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Finding the Fourth Proportional to 309,988.41, 464,549.55 and 167,526.56

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Solution

The fourth proportional to 309,988.41, 464,549.55 and 167,526.56 is: 251,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,988.41 : 464,549.55 = 167,526.56 : x
  2. Step 2: Convert to fraction form
    309,988.41/464,549.55 = 167,526.56/x
  3. Step 3: Cross multiply
    309,988.41x = 464,549.55 × 167,526.56
  4. Step 4: Simplify right side
    309,988.41x = 77,824,385,738.30
  5. Step 5: Solve for x
    x = 77,824,385,738.30/309,988.41
  6. Step 6: Final answer
    x = 251,055.79

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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.