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Finding the Fourth Proportional to 271,256.40, 407,030.40 and 113,500.80

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Solution

The fourth proportional to 271,256.40, 407,030.40 and 113,500.80 is: 170,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,256.40 : 407,030.40 = 113,500.80 : x
  2. Step 2: Convert to fraction form
    271,256.40/407,030.40 = 113,500.80/x
  3. Step 3: Cross multiply
    271,256.40x = 407,030.40 × 113,500.80
  4. Step 4: Simplify right side
    271,256.40x = 46,198,276,024.32
  5. Step 5: Solve for x
    x = 46,198,276,024.32/271,256.40
  6. Step 6: Final answer
    x = 170,312.21

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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.