Home / 271,788.10-406,904.55-166,812.10

Finding the Fourth Proportional to 271,788.10, 406,904.55 and 166,812.10

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Solution

The fourth proportional to 271,788.10, 406,904.55 and 166,812.10 is: 249,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,788.10 : 406,904.55 = 166,812.10 : x
  2. Step 2: Convert to fraction form
    271,788.10/406,904.55 = 166,812.10/x
  3. Step 3: Cross multiply
    271,788.10x = 406,904.55 × 166,812.10
  4. Step 4: Simplify right side
    271,788.10x = 67,876,602,485.06
  5. Step 5: Solve for x
    x = 67,876,602,485.06/271,788.10
  6. Step 6: Final answer
    x = 249,740.89

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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.