Finding the Fourth Proportional to 144,948.48, 217,837.44 and 71,128.32
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Solution
The fourth proportional to 144,948.48, 217,837.44 and 71,128.32 is: 106,895.99
Step by Step Solution
- Step 1: Write the proportion equation
144,948.48 : 217,837.44 = 71,128.32 : x - Step 2: Convert to fraction form
144,948.48/217,837.44 = 71,128.32/x - Step 3: Cross multiply
144,948.48x = 217,837.44 × 71,128.32 - Step 4: Simplify right side
144,948.48x = 15,494,411,140.30 - Step 5: Solve for x
x = 15,494,411,140.30/144,948.48 - Step 6: Final answer
x = 106,895.99
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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.