Home / 271,823.44-407,657.40-84,784.72

Finding the Fourth Proportional to 271,823.44, 407,657.40 and 84,784.72

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Solution

The fourth proportional to 271,823.44, 407,657.40 and 84,784.72 is: 127,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,823.44 : 407,657.40 = 84,784.72 : x
  2. Step 2: Convert to fraction form
    271,823.44/407,657.40 = 84,784.72/x
  3. Step 3: Cross multiply
    271,823.44x = 407,657.40 × 84,784.72
  4. Step 4: Simplify right side
    271,823.44x = 34,563,118,514.93
  5. Step 5: Solve for x
    x = 34,563,118,514.93/271,823.44
  6. Step 6: Final answer
    x = 127,152.83

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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.