Finding the Fourth Proportional to 347,358.68, 479,354.98 and 188,382.68
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Solution
The fourth proportional to 347,358.68, 479,354.98 and 188,382.68 is: 259,968.09
Step by Step Solution
- Step 1: Write the proportion equation
347,358.68 : 479,354.98 = 188,382.68 : x - Step 2: Convert to fraction form
347,358.68/479,354.98 = 188,382.68/x - Step 3: Cross multiply
347,358.68x = 479,354.98 × 188,382.68 - Step 4: Simplify right side
347,358.68x = 90,302,173,663.45 - Step 5: Solve for x
x = 90,302,173,663.45/347,358.68 - Step 6: Final answer
x = 259,968.09
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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.