Finding the Fourth Proportional to 236,302.11, 326,104.83 and 128,878.02
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Solution
The fourth proportional to 236,302.11, 326,104.83 and 128,878.02 is: 177,855.99
Step by Step Solution
- Step 1: Write the proportion equation
236,302.11 : 326,104.83 = 128,878.02 : x - Step 2: Convert to fraction form
236,302.11/326,104.83 = 128,878.02/x - Step 3: Cross multiply
236,302.11x = 326,104.83 × 128,878.02 - Step 4: Simplify right side
236,302.11x = 42,027,744,802.84 - Step 5: Solve for x
x = 42,027,744,802.84/236,302.11 - Step 6: Final answer
x = 177,855.99
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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.