Finding the Fourth Proportional to 222,038.58, 306,343.20 and 135,907.68
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Solution
The fourth proportional to 222,038.58, 306,343.20 and 135,907.68 is: 187,509.73
Step by Step Solution
- Step 1: Write the proportion equation
222,038.58 : 306,343.20 = 135,907.68 : x - Step 2: Convert to fraction form
222,038.58/306,343.20 = 135,907.68/x - Step 3: Cross multiply
222,038.58x = 306,343.20 × 135,907.68 - Step 4: Simplify right side
222,038.58x = 41,634,393,595.78 - Step 5: Solve for x
x = 41,634,393,595.78/222,038.58 - Step 6: Final answer
x = 187,509.73
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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.