Finding the Fourth Proportional to 190,316.70, 285,475.05 and 157,074.30
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Solution
The fourth proportional to 190,316.70, 285,475.05 and 157,074.30 is: 235,611.45
Step by Step Solution
- Step 1: Write the proportion equation
190,316.70 : 285,475.05 = 157,074.30 : x - Step 2: Convert to fraction form
190,316.70/285,475.05 = 157,074.30/x - Step 3: Cross multiply
190,316.70x = 285,475.05 × 157,074.30 - Step 4: Simplify right side
190,316.70x = 44,840,793,646.22 - Step 5: Solve for x
x = 44,840,793,646.22/190,316.70 - Step 6: Final answer
x = 235,611.45
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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.