Home / 334,466.21-501,511.10-109,807.72

Finding the Fourth Proportional to 334,466.21, 501,511.10 and 109,807.72

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Solution

The fourth proportional to 334,466.21, 501,511.10 and 109,807.72 is: 164,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,466.21 : 501,511.10 = 109,807.72 : x
  2. Step 2: Convert to fraction form
    334,466.21/501,511.10 = 109,807.72/x
  3. Step 3: Cross multiply
    334,466.21x = 501,511.10 × 109,807.72
  4. Step 4: Simplify right side
    334,466.21x = 55,069,788,642.88
  5. Step 5: Solve for x
    x = 55,069,788,642.88/334,466.21
  6. Step 6: Final answer
    x = 164,649.78

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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.