Finding the Fourth Proportional to 135,952.80, 203,929.20 and 135,952.80
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Solution
The fourth proportional to 135,952.80, 203,929.20 and 135,952.80 is: 203,929.20
Step by Step Solution
- Step 1: Write the proportion equation
135,952.80 : 203,929.20 = 135,952.80 : x - Step 2: Convert to fraction form
135,952.80/203,929.20 = 135,952.80/x - Step 3: Cross multiply
135,952.80x = 203,929.20 × 135,952.80 - Step 4: Simplify right side
135,952.80x = 27,724,745,741.76 - Step 5: Solve for x
x = 27,724,745,741.76/135,952.80 - Step 6: Final answer
x = 203,929.20
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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.