Home / 229,461.18-343,984.41-81,682.62

Finding the Fourth Proportional to 229,461.18, 343,984.41 and 81,682.62

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Solution

The fourth proportional to 229,461.18, 343,984.41 and 81,682.62 is: 122,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,461.18 : 343,984.41 = 81,682.62 : x
  2. Step 2: Convert to fraction form
    229,461.18/343,984.41 = 81,682.62/x
  3. Step 3: Cross multiply
    229,461.18x = 343,984.41 × 81,682.62
  4. Step 4: Simplify right side
    229,461.18x = 28,097,547,847.95
  5. Step 5: Solve for x
    x = 28,097,547,847.95/229,461.18
  6. Step 6: Final answer
    x = 122,450.11

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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.