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Finding the Fourth Proportional to 224,079.66, 309,225.92 and 122,106.02

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Solution

The fourth proportional to 224,079.66, 309,225.92 and 122,106.02 is: 168,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,079.66 : 309,225.92 = 122,106.02 : x
  2. Step 2: Convert to fraction form
    224,079.66/309,225.92 = 122,106.02/x
  3. Step 3: Cross multiply
    224,079.66x = 309,225.92 × 122,106.02
  4. Step 4: Simplify right side
    224,079.66x = 37,758,344,215.38
  5. Step 5: Solve for x
    x = 37,758,344,215.38/224,079.66
  6. Step 6: Final answer
    x = 168,504.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.