Finding the Fourth Proportional to 574,395.09, 861,686.14 and 169,628.23
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Solution
The fourth proportional to 574,395.09, 861,686.14 and 169,628.23 is: 254,469.96
Step by Step Solution
- Step 1: Write the proportion equation
574,395.09 : 861,686.14 = 169,628.23 : x - Step 2: Convert to fraction form
574,395.09/861,686.14 = 169,628.23/x - Step 3: Cross multiply
574,395.09x = 861,686.14 × 169,628.23 - Step 4: Simplify right side
574,395.09x = 146,166,294,743.73 - Step 5: Solve for x
x = 146,166,294,743.73/574,395.09 - Step 6: Final answer
x = 254,469.96
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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.