Finding the Fourth Proportional to 243,531.99, 336,072.11 and 136,100.79
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Solution
The fourth proportional to 243,531.99, 336,072.11 and 136,100.79 is: 187,817.95
Step by Step Solution
- Step 1: Write the proportion equation
243,531.99 : 336,072.11 = 136,100.79 : x - Step 2: Convert to fraction form
243,531.99/336,072.11 = 136,100.79/x - Step 3: Cross multiply
243,531.99x = 336,072.11 × 136,100.79 - Step 4: Simplify right side
243,531.99x = 45,739,678,987.46 - Step 5: Solve for x
x = 45,739,678,987.46/243,531.99 - Step 6: Final answer
x = 187,817.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.