Finding the Fourth Proportional to 316,911.99, 437,342.00 and 173,668.98
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Solution
The fourth proportional to 316,911.99, 437,342.00 and 173,668.98 is: 239,665.08
Step by Step Solution
- Step 1: Write the proportion equation
316,911.99 : 437,342.00 = 173,668.98 : x - Step 2: Convert to fraction form
316,911.99/437,342.00 = 173,668.98/x - Step 3: Cross multiply
316,911.99x = 437,342.00 × 173,668.98 - Step 4: Simplify right side
316,911.99x = 75,952,738,182.82 - Step 5: Solve for x
x = 75,952,738,182.82/316,911.99 - Step 6: Final answer
x = 239,665.08
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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.