Finding the Fourth Proportional to 342,125.70, 513,188.55 and 202,157.70
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Solution
The fourth proportional to 342,125.70, 513,188.55 and 202,157.70 is: 303,236.55
Step by Step Solution
- Step 1: Write the proportion equation
342,125.70 : 513,188.55 = 202,157.70 : x - Step 2: Convert to fraction form
342,125.70/513,188.55 = 202,157.70/x - Step 3: Cross multiply
342,125.70x = 513,188.55 × 202,157.70 - Step 4: Simplify right side
342,125.70x = 103,745,016,934.34 - Step 5: Solve for x
x = 103,745,016,934.34/342,125.70 - Step 6: Final answer
x = 303,236.55
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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.