Finding the Fourth Proportional to 449,102.40, 670,365.36 and 395,959.68
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Solution
The fourth proportional to 449,102.40, 670,365.36 and 395,959.68 is: 591,040.38
Step by Step Solution
- Step 1: Write the proportion equation
449,102.40 : 670,365.36 = 395,959.68 : x - Step 2: Convert to fraction form
449,102.40/670,365.36 = 395,959.68/x - Step 3: Cross multiply
449,102.40x = 670,365.36 × 395,959.68 - Step 4: Simplify right side
449,102.40x = 265,437,653,428.69 - Step 5: Solve for x
x = 265,437,653,428.69/449,102.40 - Step 6: Final answer
x = 591,040.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.