Home / 313,931.46-470,660.06-161,965.74

Finding the Fourth Proportional to 313,931.46, 470,660.06 and 161,965.74

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Solution

The fourth proportional to 313,931.46, 470,660.06 and 161,965.74 is: 242,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,931.46 : 470,660.06 = 161,965.74 : x
  2. Step 2: Convert to fraction form
    313,931.46/470,660.06 = 161,965.74/x
  3. Step 3: Cross multiply
    313,931.46x = 470,660.06 × 161,965.74
  4. Step 4: Simplify right side
    313,931.46x = 76,230,804,096.52
  5. Step 5: Solve for x
    x = 76,230,804,096.52/313,931.46
  6. Step 6: Final answer
    x = 242,826.27

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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.