Finding the Fourth Proportional to 231,555.08, 347,328.84 and 73,781.39
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Solution
The fourth proportional to 231,555.08, 347,328.84 and 73,781.39 is: 110,670.88
Step by Step Solution
- Step 1: Write the proportion equation
231,555.08 : 347,328.84 = 73,781.39 : x - Step 2: Convert to fraction form
231,555.08/347,328.84 = 73,781.39/x - Step 3: Cross multiply
231,555.08x = 347,328.84 × 73,781.39 - Step 4: Simplify right side
231,555.08x = 25,626,404,602.29 - Step 5: Solve for x
x = 25,626,404,602.29/231,555.08 - Step 6: Final answer
x = 110,670.88
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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.