Finding the Fourth Proportional to 164,387.94, 226,855.14 and 88,936.44
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Solution
The fourth proportional to 164,387.94, 226,855.14 and 88,936.44 is: 122,732.17
Step by Step Solution
- Step 1: Write the proportion equation
164,387.94 : 226,855.14 = 88,936.44 : x - Step 2: Convert to fraction form
164,387.94/226,855.14 = 88,936.44/x - Step 3: Cross multiply
164,387.94x = 226,855.14 × 88,936.44 - Step 4: Simplify right side
164,387.94x = 20,175,688,547.30 - Step 5: Solve for x
x = 20,175,688,547.30/164,387.94 - Step 6: Final answer
x = 122,732.17
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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.