Home / 305,934.15-458,901.23-199,645.95

Finding the Fourth Proportional to 305,934.15, 458,901.23 and 199,645.95

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Solution

The fourth proportional to 305,934.15, 458,901.23 and 199,645.95 is: 299,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,934.15 : 458,901.23 = 199,645.95 : x
  2. Step 2: Convert to fraction form
    305,934.15/458,901.23 = 199,645.95/x
  3. Step 3: Cross multiply
    305,934.15x = 458,901.23 × 199,645.95
  4. Step 4: Simplify right side
    305,934.15x = 91,617,771,021.29
  5. Step 5: Solve for x
    x = 91,617,771,021.29/305,934.15
  6. Step 6: Final answer
    x = 299,468.93

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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.