Finding the Fourth Proportional to 498,887.75, 748,338.11 and 166,463.75
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Solution
The fourth proportional to 498,887.75, 748,338.11 and 166,463.75 is: 249,697.79
Step by Step Solution
- Step 1: Write the proportion equation
498,887.75 : 748,338.11 = 166,463.75 : x - Step 2: Convert to fraction form
498,887.75/748,338.11 = 166,463.75/x - Step 3: Cross multiply
498,887.75x = 748,338.11 × 166,463.75 - Step 4: Simplify right side
498,887.75x = 124,571,168,058.51 - Step 5: Solve for x
x = 124,571,168,058.51/498,887.75 - Step 6: Final answer
x = 249,697.79
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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.