Finding the Fourth Proportional to 147,952.09, 203,933.98 and 115,629.63
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Solution
The fourth proportional to 147,952.09, 203,933.98 and 115,629.63 is: 159,381.40
Step by Step Solution
- Step 1: Write the proportion equation
147,952.09 : 203,933.98 = 115,629.63 : x - Step 2: Convert to fraction form
147,952.09/203,933.98 = 115,629.63/x - Step 3: Cross multiply
147,952.09x = 203,933.98 × 115,629.63 - Step 4: Simplify right side
147,952.09x = 23,580,810,651.83 - Step 5: Solve for x
x = 23,580,810,651.83/147,952.09 - Step 6: Final answer
x = 159,381.40
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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.