Finding the Fourth Proportional to 270,487.96, 405,768.84 and 112,679.50
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Solution
The fourth proportional to 270,487.96, 405,768.84 and 112,679.50 is: 169,034.62
Step by Step Solution
- Step 1: Write the proportion equation
270,487.96 : 405,768.84 = 112,679.50 : x - Step 2: Convert to fraction form
270,487.96/405,768.84 = 112,679.50/x - Step 3: Cross multiply
270,487.96x = 405,768.84 × 112,679.50 - Step 4: Simplify right side
270,487.96x = 45,721,830,006.78 - Step 5: Solve for x
x = 45,721,830,006.78/270,487.96 - Step 6: Final answer
x = 169,034.62
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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.