Finding the Fourth Proportional to 988,169.79, 1,482,342.18 and 278,203.98
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Solution
The fourth proportional to 988,169.79, 1,482,342.18 and 278,203.98 is: 417,330.60
Step by Step Solution
- Step 1: Write the proportion equation
988,169.79 : 1,482,342.18 = 278,203.98 : x - Step 2: Convert to fraction form
988,169.79/1,482,342.18 = 278,203.98/x - Step 3: Cross multiply
988,169.79x = 1,482,342.18 × 278,203.98 - Step 4: Simplify right side
988,169.79x = 412,393,494,197.88 - Step 5: Solve for x
x = 412,393,494,197.88/988,169.79 - Step 6: Final answer
x = 417,330.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.