Finding the Fourth Proportional to 314,926.84, 434,597.70 and 171,686.44
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Solution
The fourth proportional to 314,926.84, 434,597.70 and 171,686.44 is: 236,926.56
Step by Step Solution
- Step 1: Write the proportion equation
314,926.84 : 434,597.70 = 171,686.44 : x - Step 2: Convert to fraction form
314,926.84/434,597.70 = 171,686.44/x - Step 3: Cross multiply
314,926.84x = 434,597.70 × 171,686.44 - Step 4: Simplify right side
314,926.84x = 74,614,531,945.19 - Step 5: Solve for x
x = 74,614,531,945.19/314,926.84 - Step 6: Final answer
x = 236,926.56
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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.