Home / 340,401.06-469,756.91-187,453.46

Finding the Fourth Proportional to 340,401.06, 469,756.91 and 187,453.46

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Solution

The fourth proportional to 340,401.06, 469,756.91 and 187,453.46 is: 258,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,401.06 : 469,756.91 = 187,453.46 : x
  2. Step 2: Convert to fraction form
    340,401.06/469,756.91 = 187,453.46/x
  3. Step 3: Cross multiply
    340,401.06x = 469,756.91 × 187,453.46
  4. Step 4: Simplify right side
    340,401.06x = 88,057,559,781.43
  5. Step 5: Solve for x
    x = 88,057,559,781.43/340,401.06
  6. Step 6: Final answer
    x = 258,687.68

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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.