Finding the Fourth Proportional to 870,293.08, 1,305,412.26 and 239,201.44
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Solution
The fourth proportional to 870,293.08, 1,305,412.26 and 239,201.44 is: 358,794.64
Step by Step Solution
- Step 1: Write the proportion equation
870,293.08 : 1,305,412.26 = 239,201.44 : x - Step 2: Convert to fraction form
870,293.08/1,305,412.26 = 239,201.44/x - Step 3: Cross multiply
870,293.08x = 1,305,412.26 × 239,201.44 - Step 4: Simplify right side
870,293.08x = 312,256,492,385.65 - Step 5: Solve for x
x = 312,256,492,385.65/870,293.08 - Step 6: Final answer
x = 358,794.64
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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.