Home / 313,928.63-433,218.45-170,688.67

Finding the Fourth Proportional to 313,928.63, 433,218.45 and 170,688.67

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Solution

The fourth proportional to 313,928.63, 433,218.45 and 170,688.67 is: 235,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,928.63 : 433,218.45 = 170,688.67 : x
  2. Step 2: Convert to fraction form
    313,928.63/433,218.45 = 170,688.67/x
  3. Step 3: Cross multiply
    313,928.63x = 433,218.45 × 170,688.67
  4. Step 4: Simplify right side
    313,928.63x = 73,945,481,049.96
  5. Step 5: Solve for x
    x = 73,945,481,049.96/313,928.63
  6. Step 6: Final answer
    x = 235,548.70

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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.