Finding the Fourth Proportional to 393,914.96, 590,873.40 and 157,276.88
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Solution
The fourth proportional to 393,914.96, 590,873.40 and 157,276.88 is: 235,915.70
Step by Step Solution
- Step 1: Write the proportion equation
393,914.96 : 590,873.40 = 157,276.88 : x - Step 2: Convert to fraction form
393,914.96/590,873.40 = 157,276.88/x - Step 3: Cross multiply
393,914.96x = 590,873.40 × 157,276.88 - Step 4: Simplify right side
393,914.96x = 92,930,724,826.99 - Step 5: Solve for x
x = 92,930,724,826.99/393,914.96 - Step 6: Final answer
x = 235,915.70
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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.