Finding the Fourth Proportional to 135,951.40, 203,921.70 and 47,225.08
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Solution
The fourth proportional to 135,951.40, 203,921.70 and 47,225.08 is: 70,835.74
Step by Step Solution
- Step 1: Write the proportion equation
135,951.40 : 203,921.70 = 47,225.08 : x - Step 2: Convert to fraction form
135,951.40/203,921.70 = 47,225.08/x - Step 3: Cross multiply
135,951.40x = 203,921.70 × 47,225.08 - Step 4: Simplify right side
135,951.40x = 9,630,218,596.24 - Step 5: Solve for x
x = 9,630,218,596.24/135,951.40 - Step 6: Final answer
x = 70,835.74
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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.