Finding the Fourth Proportional to 148,330.63, 204,687.57 and 87,907.06
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Solution
The fourth proportional to 148,330.63, 204,687.57 and 87,907.06 is: 121,306.59
Step by Step Solution
- Step 1: Write the proportion equation
148,330.63 : 204,687.57 = 87,907.06 : x - Step 2: Convert to fraction form
148,330.63/204,687.57 = 87,907.06/x - Step 3: Cross multiply
148,330.63x = 204,687.57 × 87,907.06 - Step 4: Simplify right side
148,330.63x = 17,993,482,497.24 - Step 5: Solve for x
x = 17,993,482,497.24/148,330.63 - Step 6: Final answer
x = 121,306.59
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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.