Home / 397,938.24-596,532.12-198,069.67

Finding the Fourth Proportional to 397,938.24, 596,532.12 and 198,069.67

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Solution

The fourth proportional to 397,938.24, 596,532.12 and 198,069.67 is: 296,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,938.24 : 596,532.12 = 198,069.67 : x
  2. Step 2: Convert to fraction form
    397,938.24/596,532.12 = 198,069.67/x
  3. Step 3: Cross multiply
    397,938.24x = 596,532.12 × 198,069.67
  4. Step 4: Simplify right side
    397,938.24x = 118,154,921,148.96
  5. Step 5: Solve for x
    x = 118,154,921,148.96/397,938.24
  6. Step 6: Final answer
    x = 296,917.74

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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.