Finding the Fourth Proportional to 291,031.14, 401,618.84 and 163,706.70
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Solution
The fourth proportional to 291,031.14, 401,618.84 and 163,706.70 is: 225,912.92
Step by Step Solution
- Step 1: Write the proportion equation
291,031.14 : 401,618.84 = 163,706.70 : x - Step 2: Convert to fraction form
291,031.14/401,618.84 = 163,706.70/x - Step 3: Cross multiply
291,031.14x = 401,618.84 × 163,706.70 - Step 4: Simplify right side
291,031.14x = 65,747,694,954.23 - Step 5: Solve for x
x = 65,747,694,954.23/291,031.14 - Step 6: Final answer
x = 225,912.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.