Home / 230,215.46-317,746.34-154,720.22

Finding the Fourth Proportional to 230,215.46, 317,746.34 and 154,720.22

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Solution

The fourth proportional to 230,215.46, 317,746.34 and 154,720.22 is: 213,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,215.46 : 317,746.34 = 154,720.22 : x
  2. Step 2: Convert to fraction form
    230,215.46/317,746.34 = 154,720.22/x
  3. Step 3: Cross multiply
    230,215.46x = 317,746.34 × 154,720.22
  4. Step 4: Simplify right side
    230,215.46x = 49,161,783,628.99
  5. Step 5: Solve for x
    x = 49,161,783,628.99/230,215.46
  6. Step 6: Final answer
    x = 213,546.84

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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.