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Finding the Fourth Proportional to 271,795.04, 407,652.96 and 72,127.52

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Solution

The fourth proportional to 271,795.04, 407,652.96 and 72,127.52 is: 108,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,795.04 : 407,652.96 = 72,127.52 : x
  2. Step 2: Convert to fraction form
    271,795.04/407,652.96 = 72,127.52/x
  3. Step 3: Cross multiply
    271,795.04x = 407,652.96 × 72,127.52
  4. Step 4: Simplify right side
    271,795.04x = 29,402,997,025.46
  5. Step 5: Solve for x
    x = 29,402,997,025.46/271,795.04
  6. Step 6: Final answer
    x = 108,180.77

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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.