Finding the Fourth Proportional to 518,048.63, 777,515.81 and 202,726.97
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Solution
The fourth proportional to 518,048.63, 777,515.81 and 202,726.97 is: 304,263.75
Step by Step Solution
- Step 1: Write the proportion equation
518,048.63 : 777,515.81 = 202,726.97 : x - Step 2: Convert to fraction form
518,048.63/777,515.81 = 202,726.97/x - Step 3: Cross multiply
518,048.63x = 777,515.81 × 202,726.97 - Step 4: Simplify right side
518,048.63x = 157,623,419,387.18 - Step 5: Solve for x
x = 157,623,419,387.18/518,048.63 - Step 6: Final answer
x = 304,263.75
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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.