Finding the Fourth Proportional to 313,611.66, 432,767.70 and 170,371.26
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Solution
The fourth proportional to 313,611.66, 432,767.70 and 170,371.26 is: 235,103.43
Step by Step Solution
- Step 1: Write the proportion equation
313,611.66 : 432,767.70 = 170,371.26 : x - Step 2: Convert to fraction form
313,611.66/432,767.70 = 170,371.26/x - Step 3: Cross multiply
313,611.66x = 432,767.70 × 170,371.26 - Step 4: Simplify right side
313,611.66x = 73,731,178,336.30 - Step 5: Solve for x
x = 73,731,178,336.30/313,611.66 - Step 6: Final answer
x = 235,103.43
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1.5x scale
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.