Home / 309,528.28-464,423.66-169,122.88

Finding the Fourth Proportional to 309,528.28, 464,423.66 and 169,122.88

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Solution

The fourth proportional to 309,528.28, 464,423.66 and 169,122.88 is: 253,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,528.28 : 464,423.66 = 169,122.88 : x
  2. Step 2: Convert to fraction form
    309,528.28/464,423.66 = 169,122.88/x
  3. Step 3: Cross multiply
    309,528.28x = 464,423.66 × 169,122.88
  4. Step 4: Simplify right side
    309,528.28x = 78,544,666,919.34
  5. Step 5: Solve for x
    x = 78,544,666,919.34/309,528.28
  6. Step 6: Final answer
    x = 253,756.03

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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.