Finding the Fourth Proportional to 191,557.86, 264,339.49 and 105,513.99
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Solution
The fourth proportional to 191,557.86, 264,339.49 and 105,513.99 is: 145,603.60
Step by Step Solution
- Step 1: Write the proportion equation
191,557.86 : 264,339.49 = 105,513.99 : x - Step 2: Convert to fraction form
191,557.86/264,339.49 = 105,513.99/x - Step 3: Cross multiply
191,557.86x = 264,339.49 × 105,513.99 - Step 4: Simplify right side
191,557.86x = 27,891,514,304.47 - Step 5: Solve for x
x = 27,891,514,304.47/191,557.86 - Step 6: Final answer
x = 145,603.60
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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.