Finding the Fourth Proportional to 235,670.48, 353,561.09 and 77,898.94
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Solution
The fourth proportional to 235,670.48, 353,561.09 and 77,898.94 is: 116,866.71
Step by Step Solution
- Step 1: Write the proportion equation
235,670.48 : 353,561.09 = 77,898.94 : x - Step 2: Convert to fraction form
235,670.48/353,561.09 = 77,898.94/x - Step 3: Cross multiply
235,670.48x = 353,561.09 × 77,898.94 - Step 4: Simplify right side
235,670.48x = 27,542,034,136.24 - Step 5: Solve for x
x = 27,542,034,136.24/235,670.48 - Step 6: Final answer
x = 116,866.71
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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.