Finding the Fourth Proportional to 353,136.99, 487,326.64 and 191,992.01
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Solution
The fourth proportional to 353,136.99, 487,326.64 and 191,992.01 is: 264,947.67
Step by Step Solution
- Step 1: Write the proportion equation
353,136.99 : 487,326.64 = 191,992.01 : x - Step 2: Convert to fraction form
353,136.99/487,326.64 = 191,992.01/x - Step 3: Cross multiply
353,136.99x = 487,326.64 × 191,992.01 - Step 4: Simplify right side
353,136.99x = 93,562,821,140.15 - Step 5: Solve for x
x = 93,562,821,140.15/353,136.99 - Step 6: Final answer
x = 264,947.67
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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.