Home / 226,501.39-312,564.04-145,932.31

Finding the Fourth Proportional to 226,501.39, 312,564.04 and 145,932.31

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Solution

The fourth proportional to 226,501.39, 312,564.04 and 145,932.31 is: 201,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,501.39 : 312,564.04 = 145,932.31 : x
  2. Step 2: Convert to fraction form
    226,501.39/312,564.04 = 145,932.31/x
  3. Step 3: Cross multiply
    226,501.39x = 312,564.04 × 145,932.31
  4. Step 4: Simplify right side
    226,501.39x = 45,613,192,380.13
  5. Step 5: Solve for x
    x = 45,613,192,380.13/226,501.39
  6. Step 6: Final answer
    x = 201,381.51

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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.