Finding the Fourth Proportional to 396,984.96, 547,832.58 and 215,699.67
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Solution
The fourth proportional to 396,984.96, 547,832.58 and 215,699.67 is: 297,661.92
Step by Step Solution
- Step 1: Write the proportion equation
396,984.96 : 547,832.58 = 215,699.67 : x - Step 2: Convert to fraction form
396,984.96/547,832.58 = 215,699.67/x - Step 3: Cross multiply
396,984.96x = 547,832.58 × 215,699.67 - Step 4: Simplify right side
396,984.96x = 118,167,306,721.25 - Step 5: Solve for x
x = 118,167,306,721.25/396,984.96 - Step 6: Final answer
x = 297,661.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.