Home / 642,734.76-964,166.04-238,035.28

Finding the Fourth Proportional to 642,734.76, 964,166.04 and 238,035.28

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Solution

The fourth proportional to 642,734.76, 964,166.04 and 238,035.28 is: 357,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,734.76 : 964,166.04 = 238,035.28 : x
  2. Step 2: Convert to fraction form
    642,734.76/964,166.04 = 238,035.28/x
  3. Step 3: Cross multiply
    642,734.76x = 964,166.04 × 238,035.28
  4. Step 4: Simplify right side
    642,734.76x = 229,505,533,297.89
  5. Step 5: Solve for x
    x = 229,505,533,297.89/642,734.76
  6. Step 6: Final answer
    x = 357,076.59

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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.