Finding the Fourth Proportional to 343,799.68, 474,436.20 and 190,828.96
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Solution
The fourth proportional to 343,799.68, 474,436.20 and 190,828.96 is: 263,339.88
Step by Step Solution
- Step 1: Write the proportion equation
343,799.68 : 474,436.20 = 190,828.96 : x - Step 2: Convert to fraction form
343,799.68/474,436.20 = 190,828.96/x - Step 3: Cross multiply
343,799.68x = 474,436.20 × 190,828.96 - Step 4: Simplify right side
343,799.68x = 90,536,166,632.35 - Step 5: Solve for x
x = 90,536,166,632.35/343,799.68 - Step 6: Final answer
x = 263,339.88
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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.