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Finding the Fourth Proportional to 562,363.40, 843,548.30 and 229,939.40

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Solution

The fourth proportional to 562,363.40, 843,548.30 and 229,939.40 is: 344,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,363.40 : 843,548.30 = 229,939.40 : x
  2. Step 2: Convert to fraction form
    562,363.40/843,548.30 = 229,939.40/x
  3. Step 3: Cross multiply
    562,363.40x = 843,548.30 × 229,939.40
  4. Step 4: Simplify right side
    562,363.40x = 193,964,989,973.02
  5. Step 5: Solve for x
    x = 193,964,989,973.02/562,363.40
  6. Step 6: Final answer
    x = 344,910.41

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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.