Finding the Fourth Proportional to 149,206.74, 223,877.79 and 136,593.15
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Solution
The fourth proportional to 149,206.74, 223,877.79 and 136,593.15 is: 204,951.68
Step by Step Solution
- Step 1: Write the proportion equation
149,206.74 : 223,877.79 = 136,593.15 : x - Step 2: Convert to fraction form
149,206.74/223,877.79 = 136,593.15/x - Step 3: Cross multiply
149,206.74x = 223,877.79 × 136,593.15 - Step 4: Simplify right side
149,206.74x = 30,580,172,551.14 - Step 5: Solve for x
x = 30,580,172,551.14/149,206.74 - Step 6: Final answer
x = 204,951.68
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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.