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Finding the Fourth Proportional to 576,048.03, 863,968.19 and 155,225.67

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Solution

The fourth proportional to 576,048.03, 863,968.19 and 155,225.67 is: 232,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,048.03 : 863,968.19 = 155,225.67 : x
  2. Step 2: Convert to fraction form
    576,048.03/863,968.19 = 155,225.67/x
  3. Step 3: Cross multiply
    576,048.03x = 863,968.19 × 155,225.67
  4. Step 4: Simplify right side
    576,048.03x = 134,110,040,375.31
  5. Step 5: Solve for x
    x = 134,110,040,375.31/576,048.03
  6. Step 6: Final answer
    x = 232,810.52

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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.