Finding the Fourth Proportional to 319,602.44, 479,279.07 and 119,813.81
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Solution
The fourth proportional to 319,602.44, 479,279.07 and 119,813.81 is: 179,674.01
Step by Step Solution
- Step 1: Write the proportion equation
319,602.44 : 479,279.07 = 119,813.81 : x - Step 2: Convert to fraction form
319,602.44/479,279.07 = 119,813.81/x - Step 3: Cross multiply
319,602.44x = 479,279.07 × 119,813.81 - Step 4: Simplify right side
319,602.44x = 57,424,252,628.15 - Step 5: Solve for x
x = 57,424,252,628.15/319,602.44 - Step 6: Final answer
x = 179,674.01
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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.