Finding the Fourth Proportional to 438,537.08, 605,116.42 and 257,180.48
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Solution
The fourth proportional to 438,537.08, 605,116.42 and 257,180.48 is: 354,871.09
Step by Step Solution
- Step 1: Write the proportion equation
438,537.08 : 605,116.42 = 257,180.48 : x - Step 2: Convert to fraction form
438,537.08/605,116.42 = 257,180.48/x - Step 3: Cross multiply
438,537.08x = 605,116.42 × 257,180.48 - Step 4: Simplify right side
438,537.08x = 155,624,131,351.48 - Step 5: Solve for x
x = 155,624,131,351.48/438,537.08 - Step 6: Final answer
x = 354,871.09
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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.