Home / 211,270.68-316,917.56-53,500.50

Finding the Fourth Proportional to 211,270.68, 316,917.56 and 53,500.50

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Solution

The fourth proportional to 211,270.68, 316,917.56 and 53,500.50 is: 80,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,270.68 : 316,917.56 = 53,500.50 : x
  2. Step 2: Convert to fraction form
    211,270.68/316,917.56 = 53,500.50/x
  3. Step 3: Cross multiply
    211,270.68x = 316,917.56 × 53,500.50
  4. Step 4: Simplify right side
    211,270.68x = 16,955,248,052.53
  5. Step 5: Solve for x
    x = 16,955,248,052.53/211,270.68
  6. Step 6: Final answer
    x = 80,253.67

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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.