Finding the Fourth Proportional to 397,586.60, 596,207.10 and 117,045.80
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Solution
The fourth proportional to 397,586.60, 596,207.10 and 117,045.80 is: 175,517.83
Step by Step Solution
- Step 1: Write the proportion equation
397,586.60 : 596,207.10 = 117,045.80 : x - Step 2: Convert to fraction form
397,586.60/596,207.10 = 117,045.80/x - Step 3: Cross multiply
397,586.60x = 596,207.10 × 117,045.80 - Step 4: Simplify right side
397,586.60x = 69,783,536,985.18 - Step 5: Solve for x
x = 69,783,536,985.18/397,586.60 - Step 6: Final answer
x = 175,517.83
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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.