Finding the Fourth Proportional to 543,698.21, 750,282.62 and 301,996.18
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Solution
The fourth proportional to 543,698.21, 750,282.62 and 301,996.18 is: 416,743.12
Step by Step Solution
- Step 1: Write the proportion equation
543,698.21 : 750,282.62 = 301,996.18 : x - Step 2: Convert to fraction form
543,698.21/750,282.62 = 301,996.18/x - Step 3: Cross multiply
543,698.21x = 750,282.62 × 301,996.18 - Step 4: Simplify right side
543,698.21x = 226,582,484,039.68 - Step 5: Solve for x
x = 226,582,484,039.68/543,698.21 - Step 6: Final answer
x = 416,743.12
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1.5x scale
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.