Finding the Fourth Proportional to 284,888.08, 427,356.42 and 74,525.68
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Solution
The fourth proportional to 284,888.08, 427,356.42 and 74,525.68 is: 111,794.88
Step by Step Solution
- Step 1: Write the proportion equation
284,888.08 : 427,356.42 = 74,525.68 : x - Step 2: Convert to fraction form
284,888.08/427,356.42 = 74,525.68/x - Step 3: Cross multiply
284,888.08x = 427,356.42 × 74,525.68 - Step 4: Simplify right side
284,888.08x = 31,849,027,802.87 - Step 5: Solve for x
x = 31,849,027,802.87/284,888.08 - Step 6: Final answer
x = 111,794.88
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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.