Finding the Fourth Proportional to 114,605.96, 171,905.12 and 47,135.66
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Solution
The fourth proportional to 114,605.96, 171,905.12 and 47,135.66 is: 70,701.92
Step by Step Solution
- Step 1: Write the proportion equation
114,605.96 : 171,905.12 = 47,135.66 : x - Step 2: Convert to fraction form
114,605.96/171,905.12 = 47,135.66/x - Step 3: Cross multiply
114,605.96x = 171,905.12 × 47,135.66 - Step 4: Simplify right side
114,605.96x = 8,102,861,288.58 - Step 5: Solve for x
x = 8,102,861,288.58/114,605.96 - Step 6: Final answer
x = 70,701.92
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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.