Finding the Fourth Proportional to 540,181.53, 745,456.23 and 298,458.09
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Solution
The fourth proportional to 540,181.53, 745,456.23 and 298,458.09 is: 411,875.32
Step by Step Solution
- Step 1: Write the proportion equation
540,181.53 : 745,456.23 = 298,458.09 : x - Step 2: Convert to fraction form
540,181.53/745,456.23 = 298,458.09/x - Step 3: Cross multiply
540,181.53x = 745,456.23 × 298,458.09 - Step 4: Simplify right side
540,181.53x = 222,487,442,584.40 - Step 5: Solve for x
x = 222,487,442,584.40/540,181.53 - Step 6: Final answer
x = 411,875.32
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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.