Home / 429,968.41-644,950.59-110,119.66

Finding the Fourth Proportional to 429,968.41, 644,950.59 and 110,119.66

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Solution

The fourth proportional to 429,968.41, 644,950.59 and 110,119.66 is: 165,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,968.41 : 644,950.59 = 110,119.66 : x
  2. Step 2: Convert to fraction form
    429,968.41/644,950.59 = 110,119.66/x
  3. Step 3: Cross multiply
    429,968.41x = 644,950.59 × 110,119.66
  4. Step 4: Simplify right side
    429,968.41x = 71,021,739,687.60
  5. Step 5: Solve for x
    x = 71,021,739,687.60/429,968.41
  6. Step 6: Final answer
    x = 165,178.97

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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.