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Finding the Fourth Proportional to 224,277.81, 309,510.86 and 122,308.86

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Solution

The fourth proportional to 224,277.81, 309,510.86 and 122,308.86 is: 168,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,277.81 : 309,510.86 = 122,308.86 : x
  2. Step 2: Convert to fraction form
    224,277.81/309,510.86 = 122,308.86/x
  3. Step 3: Cross multiply
    224,277.81x = 309,510.86 × 122,308.86
  4. Step 4: Simplify right side
    224,277.81x = 37,855,920,122.84
  5. Step 5: Solve for x
    x = 37,855,920,122.84/224,277.81
  6. Step 6: Final answer
    x = 168,790.30

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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.