Finding the Fourth Proportional to 347,243.25, 520,916.88 and 125,679.09
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Solution
The fourth proportional to 347,243.25, 520,916.88 and 125,679.09 is: 188,537.46
Step by Step Solution
- Step 1: Write the proportion equation
347,243.25 : 520,916.88 = 125,679.09 : x - Step 2: Convert to fraction form
347,243.25/520,916.88 = 125,679.09/x - Step 3: Cross multiply
347,243.25x = 520,916.88 × 125,679.09 - Step 4: Simplify right side
347,243.25x = 65,468,359,444.04 - Step 5: Solve for x
x = 65,468,359,444.04/347,243.25 - Step 6: Final answer
x = 188,537.46
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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.