Finding the Fourth Proportional to 345,611.60, 476,972.36 and 194,718.80
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Solution
The fourth proportional to 345,611.60, 476,972.36 and 194,718.80 is: 268,727.92
Step by Step Solution
- Step 1: Write the proportion equation
345,611.60 : 476,972.36 = 194,718.80 : x - Step 2: Convert to fraction form
345,611.60/476,972.36 = 194,718.80/x - Step 3: Cross multiply
345,611.60x = 476,972.36 × 194,718.80 - Step 4: Simplify right side
345,611.60x = 92,875,485,572.37 - Step 5: Solve for x
x = 92,875,485,572.37/345,611.60 - Step 6: Final answer
x = 268,727.92
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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.