Home / 668,051.30-1,002,076.95-169,415.30

Finding the Fourth Proportional to 668,051.30, 1,002,076.95 and 169,415.30

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Solution

The fourth proportional to 668,051.30, 1,002,076.95 and 169,415.30 is: 254,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,051.30 : 1,002,076.95 = 169,415.30 : x
  2. Step 2: Convert to fraction form
    668,051.30/1,002,076.95 = 169,415.30/x
  3. Step 3: Cross multiply
    668,051.30x = 1,002,076.95 × 169,415.30
  4. Step 4: Simplify right side
    668,051.30x = 169,767,167,107.34
  5. Step 5: Solve for x
    x = 169,767,167,107.34/668,051.30
  6. Step 6: Final answer
    x = 254,122.95

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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.