Finding the Fourth Proportional to 653,405.52, 980,212.08 and 227,071.68
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Solution
The fourth proportional to 653,405.52, 980,212.08 and 227,071.68 is: 340,643.59
Step by Step Solution
- Step 1: Write the proportion equation
653,405.52 : 980,212.08 = 227,071.68 : x - Step 2: Convert to fraction form
653,405.52/980,212.08 = 227,071.68/x - Step 3: Cross multiply
653,405.52x = 980,212.08 × 227,071.68 - Step 4: Simplify right side
653,405.52x = 222,578,403,761.89 - Step 5: Solve for x
x = 222,578,403,761.89/653,405.52 - Step 6: Final answer
x = 340,643.59
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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.