Home / 226,971.16-312,987.90-150,463.64

Finding the Fourth Proportional to 226,971.16, 312,987.90 and 150,463.64

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Solution

The fourth proportional to 226,971.16, 312,987.90 and 150,463.64 is: 207,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,971.16 : 312,987.90 = 150,463.64 : x
  2. Step 2: Convert to fraction form
    226,971.16/312,987.90 = 150,463.64/x
  3. Step 3: Cross multiply
    226,971.16x = 312,987.90 × 150,463.64
  4. Step 4: Simplify right side
    226,971.16x = 47,093,298,709.96
  5. Step 5: Solve for x
    x = 47,093,298,709.96/226,971.16
  6. Step 6: Final answer
    x = 207,485.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.