Finding the Fourth Proportional to 298,277.83, 411,624.14 and 162,311.70
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Solution
The fourth proportional to 298,277.83, 411,624.14 and 162,311.70 is: 223,990.55
Step by Step Solution
- Step 1: Write the proportion equation
298,277.83 : 411,624.14 = 162,311.70 : x - Step 2: Convert to fraction form
298,277.83/411,624.14 = 162,311.70/x - Step 3: Cross multiply
298,277.83x = 411,624.14 × 162,311.70 - Step 4: Simplify right side
298,277.83x = 66,811,413,924.44 - Step 5: Solve for x
x = 66,811,413,924.44/298,277.83 - Step 6: Final answer
x = 223,990.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.