Finding the Fourth Proportional to 251,743.84, 377,616.75 and 101,986.96
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Solution
The fourth proportional to 251,743.84, 377,616.75 and 101,986.96 is: 152,980.84
Step by Step Solution
- Step 1: Write the proportion equation
251,743.84 : 377,616.75 = 101,986.96 : x - Step 2: Convert to fraction form
251,743.84/377,616.75 = 101,986.96/x - Step 3: Cross multiply
251,743.84x = 377,616.75 × 101,986.96 - Step 4: Simplify right side
251,743.84x = 38,511,984,377.58 - Step 5: Solve for x
x = 38,511,984,377.58/251,743.84 - Step 6: Final answer
x = 152,980.84
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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.