Home / 309,944.40-464,995.80-99,584.40

Finding the Fourth Proportional to 309,944.40, 464,995.80 and 99,584.40

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Solution

The fourth proportional to 309,944.40, 464,995.80 and 99,584.40 is: 149,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,944.40 : 464,995.80 = 99,584.40 : x
  2. Step 2: Convert to fraction form
    309,944.40/464,995.80 = 99,584.40/x
  3. Step 3: Cross multiply
    309,944.40x = 464,995.80 × 99,584.40
  4. Step 4: Simplify right side
    309,944.40x = 46,306,327,745.52
  5. Step 5: Solve for x
    x = 46,306,327,745.52/309,944.40
  6. Step 6: Final answer
    x = 149,402.05

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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.