Finding the Fourth Proportional to 174,529.10, 260,611.36 and 138,587.06
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Solution
The fourth proportional to 174,529.10, 260,611.36 and 138,587.06 is: 206,941.78
Step by Step Solution
- Step 1: Write the proportion equation
174,529.10 : 260,611.36 = 138,587.06 : x - Step 2: Convert to fraction form
174,529.10/260,611.36 = 138,587.06/x - Step 3: Cross multiply
174,529.10x = 260,611.36 × 138,587.06 - Step 4: Simplify right side
174,529.10x = 36,117,362,185.00 - Step 5: Solve for x
x = 36,117,362,185.00/174,529.10 - Step 6: Final answer
x = 206,941.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.