Finding the Fourth Proportional to 135,657.70, 203,486.55 and 88,937.70
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Solution
The fourth proportional to 135,657.70, 203,486.55 and 88,937.70 is: 133,406.55
Step by Step Solution
- Step 1: Write the proportion equation
135,657.70 : 203,486.55 = 88,937.70 : x - Step 2: Convert to fraction form
135,657.70/203,486.55 = 88,937.70/x - Step 3: Cross multiply
135,657.70x = 203,486.55 × 88,937.70 - Step 4: Simplify right side
135,657.70x = 18,097,625,737.94 - Step 5: Solve for x
x = 18,097,625,737.94/135,657.70 - Step 6: Final answer
x = 133,406.55
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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.