Finding the Fourth Proportional to 310,950.49, 429,119.96 and 174,989.29
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Solution
The fourth proportional to 310,950.49, 429,119.96 and 174,989.29 is: 241,489.88
Step by Step Solution
- Step 1: Write the proportion equation
310,950.49 : 429,119.96 = 174,989.29 : x - Step 2: Convert to fraction form
310,950.49/429,119.96 = 174,989.29/x - Step 3: Cross multiply
310,950.49x = 429,119.96 × 174,989.29 - Step 4: Simplify right side
310,950.49x = 75,091,397,125.23 - Step 5: Solve for x
x = 75,091,397,125.23/310,950.49 - Step 6: Final answer
x = 241,489.88
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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.