Home / 309,922.27-464,850.59-99,543.80

Finding the Fourth Proportional to 309,922.27, 464,850.59 and 99,543.80

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Solution

The fourth proportional to 309,922.27, 464,850.59 and 99,543.80 is: 149,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,922.27 : 464,850.59 = 99,543.80 : x
  2. Step 2: Convert to fraction form
    309,922.27/464,850.59 = 99,543.80/x
  3. Step 3: Cross multiply
    309,922.27x = 464,850.59 × 99,543.80
  4. Step 4: Simplify right side
    309,922.27x = 46,272,994,825.25
  5. Step 5: Solve for x
    x = 46,272,994,825.25/309,922.27
  6. Step 6: Final answer
    x = 149,305.16

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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.