Home / 307,789.08-424,756.13-193,072.61

Finding the Fourth Proportional to 307,789.08, 424,756.13 and 193,072.61

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Solution

The fourth proportional to 307,789.08, 424,756.13 and 193,072.61 is: 266,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,789.08 : 424,756.13 = 193,072.61 : x
  2. Step 2: Convert to fraction form
    307,789.08/424,756.13 = 193,072.61/x
  3. Step 3: Cross multiply
    307,789.08x = 424,756.13 × 193,072.61
  4. Step 4: Simplify right side
    307,789.08x = 82,008,774,632.60
  5. Step 5: Solve for x
    x = 82,008,774,632.60/307,789.08
  6. Step 6: Final answer
    x = 266,444.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.