Finding the Fourth Proportional to 237,969.33, 328,394.61 and 135,993.63
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Solution
The fourth proportional to 237,969.33, 328,394.61 and 135,993.63 is: 187,669.45
Step by Step Solution
- Step 1: Write the proportion equation
237,969.33 : 328,394.61 = 135,993.63 : x - Step 2: Convert to fraction form
237,969.33/328,394.61 = 135,993.63/x - Step 3: Cross multiply
237,969.33x = 328,394.61 × 135,993.63 - Step 4: Simplify right side
237,969.33x = 44,659,573,444.36 - Step 5: Solve for x
x = 44,659,573,444.36/237,969.33 - Step 6: Final answer
x = 187,669.45
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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.