Finding the Fourth Proportional to 287,184.08, 396,317.80 and 158,137.68
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Solution
The fourth proportional to 287,184.08, 396,317.80 and 158,137.68 is: 218,232.07
Step by Step Solution
- Step 1: Write the proportion equation
287,184.08 : 396,317.80 = 158,137.68 : x - Step 2: Convert to fraction form
287,184.08/396,317.80 = 158,137.68/x - Step 3: Cross multiply
287,184.08x = 396,317.80 × 158,137.68 - Step 4: Simplify right side
287,184.08x = 62,672,777,434.70 - Step 5: Solve for x
x = 62,672,777,434.70/287,184.08 - Step 6: Final answer
x = 218,232.07
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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.