Home / 271,905.56-407,731.50-103,457.24

Finding the Fourth Proportional to 271,905.56, 407,731.50 and 103,457.24

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Solution

The fourth proportional to 271,905.56, 407,731.50 and 103,457.24 is: 155,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,905.56 : 407,731.50 = 103,457.24 : x
  2. Step 2: Convert to fraction form
    271,905.56/407,731.50 = 103,457.24/x
  3. Step 3: Cross multiply
    271,905.56x = 407,731.50 × 103,457.24
  4. Step 4: Simplify right side
    271,905.56x = 42,182,775,651.06
  5. Step 5: Solve for x
    x = 42,182,775,651.06/271,905.56
  6. Step 6: Final answer
    x = 155,137.60

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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.