Finding the Fourth Proportional to 135,557.04, 203,277.96 and 55,539.92
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Solution
The fourth proportional to 135,557.04, 203,277.96 and 55,539.92 is: 83,286.28
Step by Step Solution
- Step 1: Write the proportion equation
135,557.04 : 203,277.96 = 55,539.92 : x - Step 2: Convert to fraction form
135,557.04/203,277.96 = 55,539.92/x - Step 3: Cross multiply
135,557.04x = 203,277.96 × 55,539.92 - Step 4: Simplify right side
135,557.04x = 11,290,041,636.16 - Step 5: Solve for x
x = 11,290,041,636.16/135,557.04 - Step 6: Final answer
x = 83,286.28
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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.