Finding the Fourth Proportional to 266,555.91, 399,636.33 and 161,349.99
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Solution
The fourth proportional to 266,555.91, 399,636.33 and 161,349.99 is: 241,905.41
Step by Step Solution
- Step 1: Write the proportion equation
266,555.91 : 399,636.33 = 161,349.99 : x - Step 2: Convert to fraction form
266,555.91/399,636.33 = 161,349.99/x - Step 3: Cross multiply
266,555.91x = 399,636.33 × 161,349.99 - Step 4: Simplify right side
266,555.91x = 64,481,317,849.14 - Step 5: Solve for x
x = 64,481,317,849.14/266,555.91 - Step 6: Final answer
x = 241,905.41
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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.