Finding the Fourth Proportional to 397,855.06, 549,039.36 and 216,566.43
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Solution
The fourth proportional to 397,855.06, 549,039.36 and 216,566.43 is: 298,861.33
Step by Step Solution
- Step 1: Write the proportion equation
397,855.06 : 549,039.36 = 216,566.43 : x - Step 2: Convert to fraction form
397,855.06/549,039.36 = 216,566.43/x - Step 3: Cross multiply
397,855.06x = 549,039.36 × 216,566.43 - Step 4: Simplify right side
397,855.06x = 118,903,492,877.91 - Step 5: Solve for x
x = 118,903,492,877.91/397,855.06 - Step 6: Final answer
x = 298,861.33
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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.