Finding the Fourth Proportional to 218,927.14, 302,136.54 and 122,161.44
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Solution
The fourth proportional to 218,927.14, 302,136.54 and 122,161.44 is: 168,592.32
Step by Step Solution
- Step 1: Write the proportion equation
218,927.14 : 302,136.54 = 122,161.44 : x - Step 2: Convert to fraction form
218,927.14/302,136.54 = 122,161.44/x - Step 3: Cross multiply
218,927.14x = 302,136.54 × 122,161.44 - Step 4: Simplify right side
218,927.14x = 36,909,434,803.02 - Step 5: Solve for x
x = 36,909,434,803.02/218,927.14 - Step 6: Final answer
x = 168,592.32
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1.5x scale
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.