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Finding the Fourth Proportional to 460,017.80, 689,616.30 and 179,469.80

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Solution

The fourth proportional to 460,017.80, 689,616.30 and 179,469.80 is: 269,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,017.80 : 689,616.30 = 179,469.80 : x
  2. Step 2: Convert to fraction form
    460,017.80/689,616.30 = 179,469.80/x
  3. Step 3: Cross multiply
    460,017.80x = 689,616.30 × 179,469.80
  4. Step 4: Simplify right side
    460,017.80x = 123,765,299,437.74
  5. Step 5: Solve for x
    x = 123,765,299,437.74/460,017.80
  6. Step 6: Final answer
    x = 269,044.59

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1.5x scale

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.