Home / 271,962.23-407,881.85-103,422.49

Finding the Fourth Proportional to 271,962.23, 407,881.85 and 103,422.49

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Solution

The fourth proportional to 271,962.23, 407,881.85 and 103,422.49 is: 155,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,962.23 : 407,881.85 = 103,422.49 : x
  2. Step 2: Convert to fraction form
    271,962.23/407,881.85 = 103,422.49/x
  3. Step 3: Cross multiply
    271,962.23x = 407,881.85 × 103,422.49
  4. Step 4: Simplify right side
    271,962.23x = 42,184,155,015.99
  5. Step 5: Solve for x
    x = 42,184,155,015.99/271,962.23
  6. Step 6: Final answer
    x = 155,110.35

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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.