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Finding the Fourth Proportional to 341,331.99, 511,978.82 and 104,674.02

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Solution

The fourth proportional to 341,331.99, 511,978.82 and 104,674.02 is: 157,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,331.99 : 511,978.82 = 104,674.02 : x
  2. Step 2: Convert to fraction form
    341,331.99/511,978.82 = 104,674.02/x
  3. Step 3: Cross multiply
    341,331.99x = 511,978.82 × 104,674.02
  4. Step 4: Simplify right side
    341,331.99x = 53,590,880,720.89
  5. Step 5: Solve for x
    x = 53,590,880,720.89/341,331.99
  6. Step 6: Final answer
    x = 157,005.15

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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.