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Finding the Fourth Proportional to 224,029.80, 336,044.70 and 210,205.80

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Solution

The fourth proportional to 224,029.80, 336,044.70 and 210,205.80 is: 315,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,029.80 : 336,044.70 = 210,205.80 : x
  2. Step 2: Convert to fraction form
    224,029.80/336,044.70 = 210,205.80/x
  3. Step 3: Cross multiply
    224,029.80x = 336,044.70 × 210,205.80
  4. Step 4: Simplify right side
    224,029.80x = 70,638,544,999.26
  5. Step 5: Solve for x
    x = 70,638,544,999.26/224,029.80
  6. Step 6: Final answer
    x = 315,308.70

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1.5x scale

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.