Finding the Fourth Proportional to 396,802.58, 547,502.36 and 235,711.94
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Solution
The fourth proportional to 396,802.58, 547,502.36 and 235,711.94 is: 325,231.87
Step by Step Solution
- Step 1: Write the proportion equation
396,802.58 : 547,502.36 = 235,711.94 : x - Step 2: Convert to fraction form
396,802.58/547,502.36 = 235,711.94/x - Step 3: Cross multiply
396,802.58x = 547,502.36 × 235,711.94 - Step 4: Simplify right side
396,802.58x = 129,052,843,430.18 - Step 5: Solve for x
x = 129,052,843,430.18/396,802.58 - Step 6: Final answer
x = 325,231.87
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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.