Finding the Fourth Proportional to 372,581.75, 514,162.88 and 202,817.15
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Solution
The fourth proportional to 372,581.75, 514,162.88 and 202,817.15 is: 279,887.70
Step by Step Solution
- Step 1: Write the proportion equation
372,581.75 : 514,162.88 = 202,817.15 : x - Step 2: Convert to fraction form
372,581.75/514,162.88 = 202,817.15/x - Step 3: Cross multiply
372,581.75x = 514,162.88 × 202,817.15 - Step 4: Simplify right side
372,581.75x = 104,281,048,943.31 - Step 5: Solve for x
x = 104,281,048,943.31/372,581.75 - Step 6: Final answer
x = 279,887.70
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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.