Finding the Fourth Proportional to 135,957.87, 203,936.87 and 51,698.58
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Solution
The fourth proportional to 135,957.87, 203,936.87 and 51,698.58 is: 77,547.89
Step by Step Solution
- Step 1: Write the proportion equation
135,957.87 : 203,936.87 = 51,698.58 : x - Step 2: Convert to fraction form
135,957.87/203,936.87 = 51,698.58/x - Step 3: Cross multiply
135,957.87x = 203,936.87 × 51,698.58 - Step 4: Simplify right side
135,957.87x = 10,543,246,330.15 - Step 5: Solve for x
x = 10,543,246,330.15/135,957.87 - Step 6: Final answer
x = 77,547.89
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1.5x scale
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.