Finding the Fourth Proportional to 395,943.21, 546,273.18 and 223,844.54
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Solution
The fourth proportional to 395,943.21, 546,273.18 and 223,844.54 is: 308,832.84
Step by Step Solution
- Step 1: Write the proportion equation
395,943.21 : 546,273.18 = 223,844.54 : x - Step 2: Convert to fraction form
395,943.21/546,273.18 = 223,844.54/x - Step 3: Cross multiply
395,943.21x = 546,273.18 × 223,844.54 - Step 4: Simplify right side
395,943.21x = 122,280,265,960.07 - Step 5: Solve for x
x = 122,280,265,960.07/395,943.21 - Step 6: Final answer
x = 308,832.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.