Finding the Fourth Proportional to 215,530.80, 297,432.18 and 120,045.84
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Solution
The fourth proportional to 215,530.80, 297,432.18 and 120,045.84 is: 165,663.08
Step by Step Solution
- Step 1: Write the proportion equation
215,530.80 : 297,432.18 = 120,045.84 : x - Step 2: Convert to fraction form
215,530.80/297,432.18 = 120,045.84/x - Step 3: Cross multiply
215,530.80x = 297,432.18 × 120,045.84 - Step 4: Simplify right side
215,530.80x = 35,705,495,891.13 - Step 5: Solve for x
x = 35,705,495,891.13/215,530.80 - Step 6: Final answer
x = 165,663.08
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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.