Finding the Fourth Proportional to 396,798.08, 547,496.16 and 235,707.44
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Solution
The fourth proportional to 396,798.08, 547,496.16 and 235,707.44 is: 325,225.66
Step by Step Solution
- Step 1: Write the proportion equation
396,798.08 : 547,496.16 = 235,707.44 : x - Step 2: Convert to fraction form
396,798.08/547,496.16 = 235,707.44/x - Step 3: Cross multiply
396,798.08x = 547,496.16 × 235,707.44 - Step 4: Simplify right side
396,798.08x = 129,048,918,283.43 - Step 5: Solve for x
x = 129,048,918,283.43/396,798.08 - Step 6: Final answer
x = 325,225.66
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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.