Finding the Fourth Proportional to 148,193.08, 204,075.60 and 128,803.48
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Solution
The fourth proportional to 148,193.08, 204,075.60 and 128,803.48 is: 177,374.32
Step by Step Solution
- Step 1: Write the proportion equation
148,193.08 : 204,075.60 = 128,803.48 : x - Step 2: Convert to fraction form
148,193.08/204,075.60 = 128,803.48/x - Step 3: Cross multiply
148,193.08x = 204,075.60 × 128,803.48 - Step 4: Simplify right side
148,193.08x = 26,285,647,463.09 - Step 5: Solve for x
x = 26,285,647,463.09/148,193.08 - Step 6: Final answer
x = 177,374.32
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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.