Finding the Fourth Proportional to 136,803.80, 205,204.80 and 36,973.96
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Solution
The fourth proportional to 136,803.80, 205,204.80 and 36,973.96 is: 55,460.70
Step by Step Solution
- Step 1: Write the proportion equation
136,803.80 : 205,204.80 = 36,973.96 : x - Step 2: Convert to fraction form
136,803.80/205,204.80 = 36,973.96/x - Step 3: Cross multiply
136,803.80x = 205,204.80 × 36,973.96 - Step 4: Simplify right side
136,803.80x = 7,587,234,067.01 - Step 5: Solve for x
x = 7,587,234,067.01/136,803.80 - Step 6: Final answer
x = 55,460.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.