Finding the Fourth Proportional to 287,202.05, 430,328.09 and 174,540.12
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Solution
The fourth proportional to 287,202.05, 430,328.09 and 174,540.12 is: 261,521.51
Step by Step Solution
- Step 1: Write the proportion equation
287,202.05 : 430,328.09 = 174,540.12 : x - Step 2: Convert to fraction form
287,202.05/430,328.09 = 174,540.12/x - Step 3: Cross multiply
287,202.05x = 430,328.09 × 174,540.12 - Step 4: Simplify right side
287,202.05x = 75,109,515,290.59 - Step 5: Solve for x
x = 75,109,515,290.59/287,202.05 - Step 6: Final answer
x = 261,521.51
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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.