Finding the Fourth Proportional to 369,505.98, 509,918.58 and 199,740.09
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Solution
The fourth proportional to 369,505.98, 509,918.58 and 199,740.09 is: 275,641.50
Step by Step Solution
- Step 1: Write the proportion equation
369,505.98 : 509,918.58 = 199,740.09 : x - Step 2: Convert to fraction form
369,505.98/509,918.58 = 199,740.09/x - Step 3: Cross multiply
369,505.98x = 509,918.58 × 199,740.09 - Step 4: Simplify right side
369,505.98x = 101,851,183,061.87 - Step 5: Solve for x
x = 101,851,183,061.87/369,505.98 - Step 6: Final answer
x = 275,641.50
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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.