Finding the Fourth Proportional to 372,605.18, 514,193.68 and 209,239.01
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Solution
The fourth proportional to 372,605.18, 514,193.68 and 209,239.01 is: 288,749.01
Step by Step Solution
- Step 1: Write the proportion equation
372,605.18 : 514,193.68 = 209,239.01 : x - Step 2: Convert to fraction form
372,605.18/514,193.68 = 209,239.01/x - Step 3: Cross multiply
372,605.18x = 514,193.68 × 209,239.01 - Step 4: Simplify right side
372,605.18x = 107,589,376,551.46 - Step 5: Solve for x
x = 107,589,376,551.46/372,605.18 - Step 6: Final answer
x = 288,749.01
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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.