Finding the Fourth Proportional to 188,926.84, 260,717.76 and 104,043.28
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Solution
The fourth proportional to 188,926.84, 260,717.76 and 104,043.28 is: 143,579.02
Step by Step Solution
- Step 1: Write the proportion equation
188,926.84 : 260,717.76 = 104,043.28 : x - Step 2: Convert to fraction form
188,926.84/260,717.76 = 104,043.28/x - Step 3: Cross multiply
188,926.84x = 260,717.76 × 104,043.28 - Step 4: Simplify right side
188,926.84x = 27,125,930,904.65 - Step 5: Solve for x
x = 27,125,930,904.65/188,926.84 - Step 6: Final answer
x = 143,579.02
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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.