Finding the Fourth Proportional to 287,852.21, 431,861.36 and 88,202.01
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Solution
The fourth proportional to 287,852.21, 431,861.36 and 88,202.01 is: 132,328.46
Step by Step Solution
- Step 1: Write the proportion equation
287,852.21 : 431,861.36 = 88,202.01 : x - Step 2: Convert to fraction form
287,852.21/431,861.36 = 88,202.01/x - Step 3: Cross multiply
287,852.21x = 431,861.36 × 88,202.01 - Step 4: Simplify right side
287,852.21x = 38,091,039,424.48 - Step 5: Solve for x
x = 38,091,039,424.48/287,852.21 - Step 6: Final answer
x = 132,328.46
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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.