Finding the Fourth Proportional to 273,896.77, 377,970.48 and 153,039.05
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Solution
The fourth proportional to 273,896.77, 377,970.48 and 153,039.05 is: 211,189.94
Step by Step Solution
- Step 1: Write the proportion equation
273,896.77 : 377,970.48 = 153,039.05 : x - Step 2: Convert to fraction form
273,896.77/377,970.48 = 153,039.05/x - Step 3: Cross multiply
273,896.77x = 377,970.48 × 153,039.05 - Step 4: Simplify right side
273,896.77x = 57,844,243,187.24 - Step 5: Solve for x
x = 57,844,243,187.24/273,896.77 - Step 6: Final answer
x = 211,189.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.