Finding the Fourth Proportional to 296,842.55, 409,641.67 and 160,879.80
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Solution
The fourth proportional to 296,842.55, 409,641.67 and 160,879.80 is: 222,013.55
Step by Step Solution
- Step 1: Write the proportion equation
296,842.55 : 409,641.67 = 160,879.80 : x - Step 2: Convert to fraction form
296,842.55/409,641.67 = 160,879.80/x - Step 3: Cross multiply
296,842.55x = 409,641.67 × 160,879.80 - Step 4: Simplify right side
296,842.55x = 65,903,069,136.87 - Step 5: Solve for x
x = 65,903,069,136.87/296,842.55 - Step 6: Final answer
x = 222,013.55
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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.