Finding the Fourth Proportional to 369,505.84, 509,917.80 and 199,739.98
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Solution
The fourth proportional to 369,505.84, 509,917.80 and 199,739.98 is: 275,641.03
Step by Step Solution
- Step 1: Write the proportion equation
369,505.84 : 509,917.80 = 199,739.98 : x - Step 2: Convert to fraction form
369,505.84/509,917.80 = 199,739.98/x - Step 3: Cross multiply
369,505.84x = 509,917.80 × 199,739.98 - Step 4: Simplify right side
369,505.84x = 101,850,971,173.64 - Step 5: Solve for x
x = 101,850,971,173.64/369,505.84 - Step 6: Final answer
x = 275,641.03
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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.