Home / 668,564.90-1,002,849.51-169,928.90

Finding the Fourth Proportional to 668,564.90, 1,002,849.51 and 169,928.90

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Solution

The fourth proportional to 668,564.90, 1,002,849.51 and 169,928.90 is: 254,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,564.90 : 1,002,849.51 = 169,928.90 : x
  2. Step 2: Convert to fraction form
    668,564.90/1,002,849.51 = 169,928.90/x
  3. Step 3: Cross multiply
    668,564.90x = 1,002,849.51 × 169,928.90
  4. Step 4: Simplify right side
    668,564.90x = 170,413,114,099.84
  5. Step 5: Solve for x
    x = 170,413,114,099.84/668,564.90
  6. Step 6: Final answer
    x = 254,893.90

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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.