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Finding the Fourth Proportional to 271,315.60, 407,006.04 and 130,975.60

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Solution

The fourth proportional to 271,315.60, 407,006.04 and 130,975.60 is: 196,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,315.60 : 407,006.04 = 130,975.60 : x
  2. Step 2: Convert to fraction form
    271,315.60/407,006.04 = 130,975.60/x
  3. Step 3: Cross multiply
    271,315.60x = 407,006.04 × 130,975.60
  4. Step 4: Simplify right side
    271,315.60x = 53,307,860,292.62
  5. Step 5: Solve for x
    x = 53,307,860,292.62/271,315.60
  6. Step 6: Final answer
    x = 196,479.16

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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.