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Finding the Fourth Proportional to 224,012.80, 336,116.40 and 113,204.80

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Solution

The fourth proportional to 224,012.80, 336,116.40 and 113,204.80 is: 169,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,012.80 : 336,116.40 = 113,204.80 : x
  2. Step 2: Convert to fraction form
    224,012.80/336,116.40 = 113,204.80/x
  3. Step 3: Cross multiply
    224,012.80x = 336,116.40 × 113,204.80
  4. Step 4: Simplify right side
    224,012.80x = 38,049,989,838.72
  5. Step 5: Solve for x
    x = 38,049,989,838.72/224,012.80
  6. Step 6: Final answer
    x = 169,856.32

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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.