Home / 226,418.09-312,453.65-130,933.67

Finding the Fourth Proportional to 226,418.09, 312,453.65 and 130,933.67

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Solution

The fourth proportional to 226,418.09, 312,453.65 and 130,933.67 is: 180,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,418.09 : 312,453.65 = 130,933.67 : x
  2. Step 2: Convert to fraction form
    226,418.09/312,453.65 = 130,933.67/x
  3. Step 3: Cross multiply
    226,418.09x = 312,453.65 × 130,933.67
  4. Step 4: Simplify right side
    226,418.09x = 40,910,701,864.46
  5. Step 5: Solve for x
    x = 40,910,701,864.46/226,418.09
  6. Step 6: Final answer
    x = 180,686.55

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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.