Finding the Fourth Proportional to 266,997.51, 400,653.81 and 98,636.99
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Solution
The fourth proportional to 266,997.51, 400,653.81 and 98,636.99 is: 148,013.68
Step by Step Solution
- Step 1: Write the proportion equation
266,997.51 : 400,653.81 = 98,636.99 : x - Step 2: Convert to fraction form
266,997.51/400,653.81 = 98,636.99/x - Step 3: Cross multiply
266,997.51x = 400,653.81 × 98,636.99 - Step 4: Simplify right side
266,997.51x = 39,519,283,847.16 - Step 5: Solve for x
x = 39,519,283,847.16/266,997.51 - Step 6: Final answer
x = 148,013.68
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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.