Finding the Fourth Proportional to 370,205.84, 555,308.75 and 89,723.09
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Solution
The fourth proportional to 370,205.84, 555,308.75 and 89,723.09 is: 134,584.63
Step by Step Solution
- Step 1: Write the proportion equation
370,205.84 : 555,308.75 = 89,723.09 : x - Step 2: Convert to fraction form
370,205.84/555,308.75 = 89,723.09/x - Step 3: Cross multiply
370,205.84x = 555,308.75 × 89,723.09 - Step 4: Simplify right side
370,205.84x = 49,824,015,611.24 - Step 5: Solve for x
x = 49,824,015,611.24/370,205.84 - Step 6: Final answer
x = 134,584.63
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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.