Finding the Fourth Proportional to 187,953.58, 281,924.97 and 69,622.30
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Solution
The fourth proportional to 187,953.58, 281,924.97 and 69,622.30 is: 104,431.45
Step by Step Solution
- Step 1: Write the proportion equation
187,953.58 : 281,924.97 = 69,622.30 : x - Step 2: Convert to fraction form
187,953.58/281,924.97 = 69,622.30/x - Step 3: Cross multiply
187,953.58x = 281,924.97 × 69,622.30 - Step 4: Simplify right side
187,953.58x = 19,628,264,838.83 - Step 5: Solve for x
x = 19,628,264,838.83/187,953.58 - Step 6: Final answer
x = 104,431.45
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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.