Finding the Fourth Proportional to 168,389.94, 252,225.78 and 136,231.02
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Solution
The fourth proportional to 168,389.94, 252,225.78 and 136,231.02 is: 204,055.99
Step by Step Solution
- Step 1: Write the proportion equation
168,389.94 : 252,225.78 = 136,231.02 : x - Step 2: Convert to fraction form
168,389.94/252,225.78 = 136,231.02/x - Step 3: Cross multiply
168,389.94x = 252,225.78 × 136,231.02 - Step 4: Simplify right side
168,389.94x = 34,360,975,279.70 - Step 5: Solve for x
x = 34,360,975,279.70/168,389.94 - Step 6: Final answer
x = 204,055.99
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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.