Finding the Fourth Proportional to 148,247.08, 204,578.94 and 81,179.08
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Solution
The fourth proportional to 148,247.08, 204,578.94 and 81,179.08 is: 112,026.02
Step by Step Solution
- Step 1: Write the proportion equation
148,247.08 : 204,578.94 = 81,179.08 : x - Step 2: Convert to fraction form
148,247.08/204,578.94 = 81,179.08/x - Step 3: Cross multiply
148,247.08x = 204,578.94 × 81,179.08 - Step 4: Simplify right side
148,247.08x = 16,607,530,136.58 - Step 5: Solve for x
x = 16,607,530,136.58/148,247.08 - Step 6: Final answer
x = 112,026.02
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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.