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Finding the Fourth Proportional to 370,469.84, 555,704.75 and 104,230.22

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Solution

The fourth proportional to 370,469.84, 555,704.75 and 104,230.22 is: 156,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,469.84 : 555,704.75 = 104,230.22 : x
  2. Step 2: Convert to fraction form
    370,469.84/555,704.75 = 104,230.22/x
  3. Step 3: Cross multiply
    370,469.84x = 555,704.75 × 104,230.22
  4. Step 4: Simplify right side
    370,469.84x = 57,921,225,829.60
  5. Step 5: Solve for x
    x = 57,921,225,829.60/370,469.84
  6. Step 6: Final answer
    x = 156,345.32

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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.