Finding the Fourth Proportional to 316,562.22, 474,880.84 and 198,243.36
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Solution
The fourth proportional to 316,562.22, 474,880.84 and 198,243.36 is: 297,388.53
Step by Step Solution
- Step 1: Write the proportion equation
316,562.22 : 474,880.84 = 198,243.36 : x - Step 2: Convert to fraction form
316,562.22/474,880.84 = 198,243.36/x - Step 3: Cross multiply
316,562.22x = 474,880.84 × 198,243.36 - Step 4: Simplify right side
316,562.22x = 94,141,973,321.22 - Step 5: Solve for x
x = 94,141,973,321.22/316,562.22 - Step 6: Final answer
x = 297,388.53
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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.