Home / 271,830.42-407,641.74-89,418.79

Finding the Fourth Proportional to 271,830.42, 407,641.74 and 89,418.79

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Solution

The fourth proportional to 271,830.42, 407,641.74 and 89,418.79 is: 134,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,830.42 : 407,641.74 = 89,418.79 : x
  2. Step 2: Convert to fraction form
    271,830.42/407,641.74 = 89,418.79/x
  3. Step 3: Cross multiply
    271,830.42x = 407,641.74 × 89,418.79
  4. Step 4: Simplify right side
    271,830.42x = 36,450,829,528.52
  5. Step 5: Solve for x
    x = 36,450,829,528.52/271,830.42
  6. Step 6: Final answer
    x = 134,094.00

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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.