Finding the Fourth Proportional to 320,136.99, 441,782.91 and 176,893.95
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Solution
The fourth proportional to 320,136.99, 441,782.91 and 176,893.95 is: 244,110.26
Step by Step Solution
- Step 1: Write the proportion equation
320,136.99 : 441,782.91 = 176,893.95 : x - Step 2: Convert to fraction form
320,136.99/441,782.91 = 176,893.95/x - Step 3: Cross multiply
320,136.99x = 441,782.91 × 176,893.95 - Step 4: Simplify right side
320,136.99x = 78,148,723,992.39 - Step 5: Solve for x
x = 78,148,723,992.39/320,136.99 - Step 6: Final answer
x = 244,110.26
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1.5x scale
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.