Finding the Fourth Proportional to 347,430.87, 479,386.44 and 218,294.53
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Solution
The fourth proportional to 347,430.87, 479,386.44 and 218,294.53 is: 301,203.63
Step by Step Solution
- Step 1: Write the proportion equation
347,430.87 : 479,386.44 = 218,294.53 : x - Step 2: Convert to fraction form
347,430.87/479,386.44 = 218,294.53/x - Step 3: Cross multiply
347,430.87x = 479,386.44 × 218,294.53 - Step 4: Simplify right side
347,430.87x = 104,647,438,371.94 - Step 5: Solve for x
x = 104,647,438,371.94/347,430.87 - Step 6: Final answer
x = 301,203.63
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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.