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Finding the Fourth Proportional to 311,136.82, 466,802.08 and 111,458.92

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Solution

The fourth proportional to 311,136.82, 466,802.08 and 111,458.92 is: 167,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,136.82 : 466,802.08 = 111,458.92 : x
  2. Step 2: Convert to fraction form
    311,136.82/466,802.08 = 111,458.92/x
  3. Step 3: Cross multiply
    311,136.82x = 466,802.08 × 111,458.92
  4. Step 4: Simplify right side
    311,136.82x = 52,029,255,690.55
  5. Step 5: Solve for x
    x = 52,029,255,690.55/311,136.82
  6. Step 6: Final answer
    x = 167,223.07

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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.