Finding the Fourth Proportional to 98,657.21, 148,007.73 and 46,037.99
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Solution
The fourth proportional to 98,657.21, 148,007.73 and 46,037.99 is: 69,067.21
Step by Step Solution
- Step 1: Write the proportion equation
98,657.21 : 148,007.73 = 46,037.99 : x - Step 2: Convert to fraction form
98,657.21/148,007.73 = 46,037.99/x - Step 3: Cross multiply
98,657.21x = 148,007.73 × 46,037.99 - Step 4: Simplify right side
98,657.21x = 6,813,978,393.66 - Step 5: Solve for x
x = 6,813,978,393.66/98,657.21 - Step 6: Final answer
x = 69,067.21
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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.