Finding the Fourth Proportional to 157,933.84, 236,865.97 and 45,589.66
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Solution
The fourth proportional to 157,933.84, 236,865.97 and 45,589.66 is: 68,374.45
Step by Step Solution
- Step 1: Write the proportion equation
157,933.84 : 236,865.97 = 45,589.66 : x - Step 2: Convert to fraction form
157,933.84/236,865.97 = 45,589.66/x - Step 3: Cross multiply
157,933.84x = 236,865.97 × 45,589.66 - Step 4: Simplify right side
157,933.84x = 10,798,639,151.84 - Step 5: Solve for x
x = 10,798,639,151.84/157,933.84 - Step 6: Final answer
x = 68,374.45
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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.