Finding the Fourth Proportional to 518,158.64, 777,237.93 and 202,394.10
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Solution
The fourth proportional to 518,158.64, 777,237.93 and 202,394.10 is: 303,591.14
Step by Step Solution
- Step 1: Write the proportion equation
518,158.64 : 777,237.93 = 202,394.10 : x - Step 2: Convert to fraction form
518,158.64/777,237.93 = 202,394.10/x - Step 3: Cross multiply
518,158.64x = 777,237.93 × 202,394.10 - Step 4: Simplify right side
518,158.64x = 157,308,371,328.21 - Step 5: Solve for x
x = 157,308,371,328.21/518,158.64 - Step 6: Final answer
x = 303,591.14
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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.