Finding the Fourth Proportional to 225,898.70, 311,740.30 and 125,296.70
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Solution
The fourth proportional to 225,898.70, 311,740.30 and 125,296.70 is: 172,909.50
Step by Step Solution
- Step 1: Write the proportion equation
225,898.70 : 311,740.30 = 125,296.70 : x - Step 2: Convert to fraction form
225,898.70/311,740.30 = 125,296.70/x - Step 3: Cross multiply
225,898.70x = 311,740.30 × 125,296.70 - Step 4: Simplify right side
225,898.70x = 39,060,030,847.01 - Step 5: Solve for x
x = 39,060,030,847.01/225,898.70 - Step 6: Final answer
x = 172,909.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.