Home / 307,988.35-461,338.09-247,690.89

Finding the Fourth Proportional to 307,988.35, 461,338.09 and 247,690.89

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Solution

The fourth proportional to 307,988.35, 461,338.09 and 247,690.89 is: 371,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,988.35 : 461,338.09 = 247,690.89 : x
  2. Step 2: Convert to fraction form
    307,988.35/461,338.09 = 247,690.89/x
  3. Step 3: Cross multiply
    307,988.35x = 461,338.09 × 247,690.89
  4. Step 4: Simplify right side
    307,988.35x = 114,269,238,557.86
  5. Step 5: Solve for x
    x = 114,269,238,557.86/307,988.35
  6. Step 6: Final answer
    x = 371,018.06

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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.