Home / 309,452.37-464,185.04-99,089.70

Finding the Fourth Proportional to 309,452.37, 464,185.04 and 99,089.70

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Solution

The fourth proportional to 309,452.37, 464,185.04 and 99,089.70 is: 148,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,452.37 : 464,185.04 = 99,089.70 : x
  2. Step 2: Convert to fraction form
    309,452.37/464,185.04 = 99,089.70/x
  3. Step 3: Cross multiply
    309,452.37x = 464,185.04 × 99,089.70
  4. Step 4: Simplify right side
    309,452.37x = 45,995,955,862.64
  5. Step 5: Solve for x
    x = 45,995,955,862.64/309,452.37
  6. Step 6: Final answer
    x = 148,636.62

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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.