Finding the Fourth Proportional to 144,659.36, 216,909.94 and 114,864.99
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Solution
The fourth proportional to 144,659.36, 216,909.94 and 114,864.99 is: 172,234.67
Step by Step Solution
- Step 1: Write the proportion equation
144,659.36 : 216,909.94 = 114,864.99 : x - Step 2: Convert to fraction form
144,659.36/216,909.94 = 114,864.99/x - Step 3: Cross multiply
144,659.36x = 216,909.94 × 114,864.99 - Step 4: Simplify right side
144,659.36x = 24,915,357,203.80 - Step 5: Solve for x
x = 24,915,357,203.80/144,659.36 - Step 6: Final answer
x = 172,234.67
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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.