Home / 427,331.00-641,032.94-111,787.40

Finding the Fourth Proportional to 427,331.00, 641,032.94 and 111,787.40

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Solution

The fourth proportional to 427,331.00, 641,032.94 and 111,787.40 is: 167,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,331.00 : 641,032.94 = 111,787.40 : x
  2. Step 2: Convert to fraction form
    427,331.00/641,032.94 = 111,787.40/x
  3. Step 3: Cross multiply
    427,331.00x = 641,032.94 × 111,787.40
  4. Step 4: Simplify right side
    427,331.00x = 71,659,402,751.26
  5. Step 5: Solve for x
    x = 71,659,402,751.26/427,331.00
  6. Step 6: Final answer
    x = 167,690.63

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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.