Finding the Fourth Proportional to 314,148.06, 471,291.21 and 148,121.82
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Solution
The fourth proportional to 314,148.06, 471,291.21 and 148,121.82 is: 222,215.32
Step by Step Solution
- Step 1: Write the proportion equation
314,148.06 : 471,291.21 = 148,121.82 : x - Step 2: Convert to fraction form
314,148.06/471,291.21 = 148,121.82/x - Step 3: Cross multiply
314,148.06x = 471,291.21 × 148,121.82 - Step 4: Simplify right side
314,148.06x = 69,808,511,775.20 - Step 5: Solve for x
x = 69,808,511,775.20/314,148.06 - Step 6: Final answer
x = 222,215.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.