Finding the Fourth Proportional to 193,239.50, 266,579.79 and 136,682.06
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Solution
The fourth proportional to 193,239.50, 266,579.79 and 136,682.06 is: 188,557.07
Step by Step Solution
- Step 1: Write the proportion equation
193,239.50 : 266,579.79 = 136,682.06 : x - Step 2: Convert to fraction form
193,239.50/266,579.79 = 136,682.06/x - Step 3: Cross multiply
193,239.50x = 266,579.79 × 136,682.06 - Step 4: Simplify right side
193,239.50x = 36,436,674,851.57 - Step 5: Solve for x
x = 36,436,674,851.57/193,239.50 - Step 6: Final answer
x = 188,557.07
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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.