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Finding the Fourth Proportional to 243,320.50, 333,343.49 and 234,223.49

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Solution

The fourth proportional to 243,320.50, 333,343.49 and 234,223.49 is: 320,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,320.50 : 333,343.49 = 234,223.49 : x
  2. Step 2: Convert to fraction form
    243,320.50/333,343.49 = 234,223.49/x
  3. Step 3: Cross multiply
    243,320.50x = 333,343.49 × 234,223.49
  4. Step 4: Simplify right side
    243,320.50x = 78,076,874,425.46
  5. Step 5: Solve for x
    x = 78,076,874,425.46/243,320.50
  6. Step 6: Final answer
    x = 320,880.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.