Finding the Fourth Proportional to 149,232.24, 205,960.14 and 85,557.60
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Solution
The fourth proportional to 149,232.24, 205,960.14 and 85,557.60 is: 118,080.75
Step by Step Solution
- Step 1: Write the proportion equation
149,232.24 : 205,960.14 = 85,557.60 : x - Step 2: Convert to fraction form
149,232.24/205,960.14 = 85,557.60/x - Step 3: Cross multiply
149,232.24x = 205,960.14 × 85,557.60 - Step 4: Simplify right side
149,232.24x = 17,621,455,274.06 - Step 5: Solve for x
x = 17,621,455,274.06/149,232.24 - Step 6: Final answer
x = 118,080.75
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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.