Home / 370,221.70-555,353.32-103,961.45

Finding the Fourth Proportional to 370,221.70, 555,353.32 and 103,961.45

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Solution

The fourth proportional to 370,221.70, 555,353.32 and 103,961.45 is: 155,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,221.70 : 555,353.32 = 103,961.45 : x
  2. Step 2: Convert to fraction form
    370,221.70/555,353.32 = 103,961.45/x
  3. Step 3: Cross multiply
    370,221.70x = 555,353.32 × 103,961.45
  4. Step 4: Simplify right side
    370,221.70x = 57,735,337,732.92
  5. Step 5: Solve for x
    x = 57,735,337,732.92/370,221.70
  6. Step 6: Final answer
    x = 155,948.01

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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.