Finding the Fourth Proportional to 122,296.28, 168,772.56 and 68,586.26
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Solution
The fourth proportional to 122,296.28, 168,772.56 and 68,586.26 is: 94,651.11
Step by Step Solution
- Step 1: Write the proportion equation
122,296.28 : 168,772.56 = 68,586.26 : x - Step 2: Convert to fraction form
122,296.28/168,772.56 = 68,586.26/x - Step 3: Cross multiply
122,296.28x = 168,772.56 × 68,586.26 - Step 4: Simplify right side
122,296.28x = 11,575,478,681.03 - Step 5: Solve for x
x = 11,575,478,681.03/122,296.28 - Step 6: Final answer
x = 94,651.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.