Finding the Fourth Proportional to 316,586.94, 474,126.56 and 183,186.06
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Solution
The fourth proportional to 316,586.94, 474,126.56 and 183,186.06 is: 274,342.89
Step by Step Solution
- Step 1: Write the proportion equation
316,586.94 : 474,126.56 = 183,186.06 : x - Step 2: Convert to fraction form
316,586.94/474,126.56 = 183,186.06/x - Step 3: Cross multiply
316,586.94x = 474,126.56 × 183,186.06 - Step 4: Simplify right side
316,586.94x = 86,853,376,467.75 - Step 5: Solve for x
x = 86,853,376,467.75/316,586.94 - Step 6: Final answer
x = 274,342.89
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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.