Finding the Fourth Proportional to 161,521.75, 242,292.35 and 50,713.75
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Solution
The fourth proportional to 161,521.75, 242,292.35 and 50,713.75 is: 76,073.68
Step by Step Solution
- Step 1: Write the proportion equation
161,521.75 : 242,292.35 = 50,713.75 : x - Step 2: Convert to fraction form
161,521.75/242,292.35 = 50,713.75/x - Step 3: Cross multiply
161,521.75x = 242,292.35 × 50,713.75 - Step 4: Simplify right side
161,521.75x = 12,287,553,664.81 - Step 5: Solve for x
x = 12,287,553,664.81/161,521.75 - Step 6: Final answer
x = 76,073.68
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1.5x scale
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.