Finding the Fourth Proportional to 312,929.19, 469,270.97 and 110,482.11
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Solution
The fourth proportional to 312,929.19, 469,270.97 and 110,482.11 is: 165,679.80
Step by Step Solution
- Step 1: Write the proportion equation
312,929.19 : 469,270.97 = 110,482.11 : x - Step 2: Convert to fraction form
312,929.19/469,270.97 = 110,482.11/x - Step 3: Cross multiply
312,929.19x = 469,270.97 × 110,482.11 - Step 4: Simplify right side
312,929.19x = 51,846,046,789.24 - Step 5: Solve for x
x = 51,846,046,789.24/312,929.19 - Step 6: Final answer
x = 165,679.80
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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.