Home / 313,931.72-433,234.52-170,701.60

Finding the Fourth Proportional to 313,931.72, 433,234.52 and 170,701.60

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Solution

The fourth proportional to 313,931.72, 433,234.52 and 170,701.60 is: 235,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,931.72 : 433,234.52 = 170,701.60 : x
  2. Step 2: Convert to fraction form
    313,931.72/433,234.52 = 170,701.60/x
  3. Step 3: Cross multiply
    313,931.72x = 433,234.52 × 170,701.60
  4. Step 4: Simplify right side
    313,931.72x = 73,953,825,739.23
  5. Step 5: Solve for x
    x = 73,953,825,739.23/313,931.72
  6. Step 6: Final answer
    x = 235,572.96

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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.