Finding the Fourth Proportional to 320,861.84, 442,813.92 and 183,043.80
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Solution
The fourth proportional to 320,861.84, 442,813.92 and 183,043.80 is: 252,614.46
Step by Step Solution
- Step 1: Write the proportion equation
320,861.84 : 442,813.92 = 183,043.80 : x - Step 2: Convert to fraction form
320,861.84/442,813.92 = 183,043.80/x - Step 3: Cross multiply
320,861.84x = 442,813.92 × 183,043.80 - Step 4: Simplify right side
320,861.84x = 81,054,340,395.63 - Step 5: Solve for x
x = 81,054,340,395.63/320,861.84 - Step 6: Final answer
x = 252,614.46
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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.