Finding the Fourth Proportional to 515,637.09, 773,476.62 and 245,626.44
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Solution
The fourth proportional to 515,637.09, 773,476.62 and 245,626.44 is: 368,449.66
Step by Step Solution
- Step 1: Write the proportion equation
515,637.09 : 773,476.62 = 245,626.44 : x - Step 2: Convert to fraction form
515,637.09/773,476.62 = 245,626.44/x - Step 3: Cross multiply
515,637.09x = 773,476.62 × 245,626.44 - Step 4: Simplify right side
515,637.09x = 189,986,308,593.83 - Step 5: Solve for x
x = 189,986,308,593.83/515,637.09 - Step 6: Final answer
x = 368,449.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.