Finding the Fourth Proportional to 191,511.34, 264,292.81 and 105,473.95
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Solution
The fourth proportional to 191,511.34, 264,292.81 and 105,473.95 is: 145,557.99
Step by Step Solution
- Step 1: Write the proportion equation
191,511.34 : 264,292.81 = 105,473.95 : x - Step 2: Convert to fraction form
191,511.34/264,292.81 = 105,473.95/x - Step 3: Cross multiply
191,511.34x = 264,292.81 × 105,473.95 - Step 4: Simplify right side
191,511.34x = 27,876,005,702.88 - Step 5: Solve for x
x = 27,876,005,702.88/191,511.34 - Step 6: Final answer
x = 145,557.99
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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.