Home / 389,848.73-584,772.72-146,735.21

Finding the Fourth Proportional to 389,848.73, 584,772.72 and 146,735.21

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Solution

The fourth proportional to 389,848.73, 584,772.72 and 146,735.21 is: 220,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,848.73 : 584,772.72 = 146,735.21 : x
  2. Step 2: Convert to fraction form
    389,848.73/584,772.72 = 146,735.21/x
  3. Step 3: Cross multiply
    389,848.73x = 584,772.72 × 146,735.21
  4. Step 4: Simplify right side
    389,848.73x = 85,806,747,244.69
  5. Step 5: Solve for x
    x = 85,806,747,244.69/389,848.73
  6. Step 6: Final answer
    x = 220,102.67

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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.