Finding the Fourth Proportional to 155,663.14, 233,408.43 and 54,434.09
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Solution
The fourth proportional to 155,663.14, 233,408.43 and 54,434.09 is: 81,620.96
Step by Step Solution
- Step 1: Write the proportion equation
155,663.14 : 233,408.43 = 54,434.09 : x - Step 2: Convert to fraction form
155,663.14/233,408.43 = 54,434.09/x - Step 3: Cross multiply
155,663.14x = 233,408.43 × 54,434.09 - Step 4: Simplify right side
155,663.14x = 12,705,375,045.93 - Step 5: Solve for x
x = 12,705,375,045.93/155,663.14 - Step 6: Final answer
x = 81,620.96
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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.