Home / 343,426.20-514,899.30-203,112.60

Finding the Fourth Proportional to 343,426.20, 514,899.30 and 203,112.60

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Solution

The fourth proportional to 343,426.20, 514,899.30 and 203,112.60 is: 304,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,426.20 : 514,899.30 = 203,112.60 : x
  2. Step 2: Convert to fraction form
    343,426.20/514,899.30 = 203,112.60/x
  3. Step 3: Cross multiply
    343,426.20x = 514,899.30 × 203,112.60
  4. Step 4: Simplify right side
    343,426.20x = 104,582,535,561.18
  5. Step 5: Solve for x
    x = 104,582,535,561.18/343,426.20
  6. Step 6: Final answer
    x = 304,526.96

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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.