Home / 442,911-611,250.03-251,985.90

Finding the Fourth Proportional to 442,911, 611,250.03 and 251,985.90

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Solution

The fourth proportional to 442,911, 611,250.03 and 251,985.90 is: 347,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,911 : 611,250.03 = 251,985.90 : x
  2. Step 2: Convert to fraction form
    442,911/611,250.03 = 251,985.90/x
  3. Step 3: Cross multiply
    442,911x = 611,250.03 × 251,985.90
  4. Step 4: Simplify right side
    442,911x = 154,026,388,934.58
  5. Step 5: Solve for x
    x = 154,026,388,934.58/442,911
  6. Step 6: Final answer
    x = 347,759.23

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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.