Finding the Fourth Proportional to 202,225.70, 303,403.35 and 135,740.90
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Solution
The fourth proportional to 202,225.70, 303,403.35 and 135,740.90 is: 203,654.85
Step by Step Solution
- Step 1: Write the proportion equation
202,225.70 : 303,403.35 = 135,740.90 : x - Step 2: Convert to fraction form
202,225.70/303,403.35 = 135,740.90/x - Step 3: Cross multiply
202,225.70x = 303,403.35 × 135,740.90 - Step 4: Simplify right side
202,225.70x = 41,184,243,792.02 - Step 5: Solve for x
x = 41,184,243,792.02/202,225.70 - Step 6: Final answer
x = 203,654.85
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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.