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Finding the Fourth Proportional to 590,379.40, 885,474.06 and 169,559.56

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Solution

The fourth proportional to 590,379.40, 885,474.06 and 169,559.56 is: 254,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,379.40 : 885,474.06 = 169,559.56 : x
  2. Step 2: Convert to fraction form
    590,379.40/885,474.06 = 169,559.56/x
  3. Step 3: Cross multiply
    590,379.40x = 885,474.06 × 169,559.56
  4. Step 4: Simplify right side
    590,379.40x = 150,140,592,005.01
  5. Step 5: Solve for x
    x = 150,140,592,005.01/590,379.40
  6. Step 6: Final answer
    x = 254,312.04

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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.