Home / 271,811.60-406,939.80-166,835.60

Finding the Fourth Proportional to 271,811.60, 406,939.80 and 166,835.60

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Solution

The fourth proportional to 271,811.60, 406,939.80 and 166,835.60 is: 249,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,811.60 : 406,939.80 = 166,835.60 : x
  2. Step 2: Convert to fraction form
    271,811.60/406,939.80 = 166,835.60/x
  3. Step 3: Cross multiply
    271,811.60x = 406,939.80 × 166,835.60
  4. Step 4: Simplify right side
    271,811.60x = 67,892,045,696.88
  5. Step 5: Solve for x
    x = 67,892,045,696.88/271,811.60
  6. Step 6: Final answer
    x = 249,776.12

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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.