Finding the Fourth Proportional to 153,268.49, 229,900.05 and 68,968.99
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Solution
The fourth proportional to 153,268.49, 229,900.05 and 68,968.99 is: 103,452.28
Step by Step Solution
- Step 1: Write the proportion equation
153,268.49 : 229,900.05 = 68,968.99 : x - Step 2: Convert to fraction form
153,268.49/229,900.05 = 68,968.99/x - Step 3: Cross multiply
153,268.49x = 229,900.05 × 68,968.99 - Step 4: Simplify right side
153,268.49x = 15,855,974,249.45 - Step 5: Solve for x
x = 15,855,974,249.45/153,268.49 - Step 6: Final answer
x = 103,452.28
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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.