Finding the Fourth Proportional to 287,352.50, 431,048.18 and 109,878.26
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Solution
The fourth proportional to 287,352.50, 431,048.18 and 109,878.26 is: 164,824.82
Step by Step Solution
- Step 1: Write the proportion equation
287,352.50 : 431,048.18 = 109,878.26 : x - Step 2: Convert to fraction form
287,352.50/431,048.18 = 109,878.26/x - Step 3: Cross multiply
287,352.50x = 431,048.18 × 109,878.26 - Step 4: Simplify right side
287,352.50x = 47,362,822,114.02 - Step 5: Solve for x
x = 47,362,822,114.02/287,352.50 - Step 6: Final answer
x = 164,824.82
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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.