Home / 229,000.30-343,340.45-135,457.90

Finding the Fourth Proportional to 229,000.30, 343,340.45 and 135,457.90

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Solution

The fourth proportional to 229,000.30, 343,340.45 and 135,457.90 is: 203,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,000.30 : 343,340.45 = 135,457.90 : x
  2. Step 2: Convert to fraction form
    229,000.30/343,340.45 = 135,457.90/x
  3. Step 3: Cross multiply
    229,000.30x = 343,340.45 × 135,457.90
  4. Step 4: Simplify right side
    229,000.30x = 46,508,176,342.06
  5. Step 5: Solve for x
    x = 46,508,176,342.06/229,000.30
  6. Step 6: Final answer
    x = 203,092.21

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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.