Finding the Fourth Proportional to 351,390.18, 484,918.66 and 190,245.28
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Solution
The fourth proportional to 351,390.18, 484,918.66 and 190,245.28 is: 262,538.60
Step by Step Solution
- Step 1: Write the proportion equation
351,390.18 : 484,918.66 = 190,245.28 : x - Step 2: Convert to fraction form
351,390.18/484,918.66 = 190,245.28/x - Step 3: Cross multiply
351,390.18x = 484,918.66 × 190,245.28 - Step 4: Simplify right side
351,390.18x = 92,253,486,248.92 - Step 5: Solve for x
x = 92,253,486,248.92/351,390.18 - Step 6: Final answer
x = 262,538.60
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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.