Finding the Fourth Proportional to 392,247.84, 541,221.84 and 222,437.28
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Solution
The fourth proportional to 392,247.84, 541,221.84 and 222,437.28 is: 306,917.98
Step by Step Solution
- Step 1: Write the proportion equation
392,247.84 : 541,221.84 = 222,437.28 : x - Step 2: Convert to fraction form
392,247.84/541,221.84 = 222,437.28/x - Step 3: Cross multiply
392,247.84x = 541,221.84 × 222,437.28 - Step 4: Simplify right side
392,247.84x = 120,387,913,966.20 - Step 5: Solve for x
x = 120,387,913,966.20/392,247.84 - Step 6: Final answer
x = 306,917.98
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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.