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Finding the Fourth Proportional to 426,847.44, 589,160.15 and 245,577.94

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Solution

The fourth proportional to 426,847.44, 589,160.15 and 245,577.94 is: 338,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,847.44 : 589,160.15 = 245,577.94 : x
  2. Step 2: Convert to fraction form
    426,847.44/589,160.15 = 245,577.94/x
  3. Step 3: Cross multiply
    426,847.44x = 589,160.15 × 245,577.94
  4. Step 4: Simplify right side
    426,847.44x = 144,684,735,967.09
  5. Step 5: Solve for x
    x = 144,684,735,967.09/426,847.44
  6. Step 6: Final answer
    x = 338,961.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.