Finding the Fourth Proportional to 193,448.99, 266,520.47 and 149,691.08
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Solution
The fourth proportional to 193,448.99, 266,520.47 and 149,691.08 is: 206,233.89
Step by Step Solution
- Step 1: Write the proportion equation
193,448.99 : 266,520.47 = 149,691.08 : x - Step 2: Convert to fraction form
193,448.99/266,520.47 = 149,691.08/x - Step 3: Cross multiply
193,448.99x = 266,520.47 × 149,691.08 - Step 4: Simplify right side
193,448.99x = 39,895,736,996.41 - Step 5: Solve for x
x = 39,895,736,996.41/193,448.99 - Step 6: Final answer
x = 206,233.89
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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.