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Finding the Fourth Proportional to 590,540.20, 885,810.30 and 169,791.40

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Solution

The fourth proportional to 590,540.20, 885,810.30 and 169,791.40 is: 254,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,540.20 : 885,810.30 = 169,791.40 : x
  2. Step 2: Convert to fraction form
    590,540.20/885,810.30 = 169,791.40/x
  3. Step 3: Cross multiply
    590,540.20x = 885,810.30 × 169,791.40
  4. Step 4: Simplify right side
    590,540.20x = 150,402,970,971.42
  5. Step 5: Solve for x
    x = 150,402,970,971.42/590,540.20
  6. Step 6: Final answer
    x = 254,687.10

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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.