Finding the Fourth Proportional to 235,791.24, 325,388.52 and 128,362.08
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Solution
The fourth proportional to 235,791.24, 325,388.52 and 128,362.08 is: 177,137.82
Step by Step Solution
- Step 1: Write the proportion equation
235,791.24 : 325,388.52 = 128,362.08 : x - Step 2: Convert to fraction form
235,791.24/325,388.52 = 128,362.08/x - Step 3: Cross multiply
235,791.24x = 325,388.52 × 128,362.08 - Step 4: Simplify right side
235,791.24x = 41,767,547,235.32 - Step 5: Solve for x
x = 41,767,547,235.32/235,791.24 - Step 6: Final answer
x = 177,137.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.