Finding the Fourth Proportional to 316,573.59, 474,816.43 and 79,902.12
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Solution
The fourth proportional to 316,573.59, 474,816.43 and 79,902.12 is: 119,842.09
Step by Step Solution
- Step 1: Write the proportion equation
316,573.59 : 474,816.43 = 79,902.12 : x - Step 2: Convert to fraction form
316,573.59/474,816.43 = 79,902.12/x - Step 3: Cross multiply
316,573.59x = 474,816.43 × 79,902.12 - Step 4: Simplify right side
316,573.59x = 37,938,839,367.83 - Step 5: Solve for x
x = 37,938,839,367.83/316,573.59 - Step 6: Final answer
x = 119,842.09
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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.