Finding the Fourth Proportional to 343,839.84, 515,757.42 and 187,064.72
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Solution
The fourth proportional to 343,839.84, 515,757.42 and 187,064.72 is: 280,595.81
Step by Step Solution
- Step 1: Write the proportion equation
343,839.84 : 515,757.42 = 187,064.72 : x - Step 2: Convert to fraction form
343,839.84/515,757.42 = 187,064.72/x - Step 3: Cross multiply
343,839.84x = 515,757.42 × 187,064.72 - Step 4: Simplify right side
343,839.84x = 96,480,017,360.22 - Step 5: Solve for x
x = 96,480,017,360.22/343,839.84 - Step 6: Final answer
x = 280,595.81
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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.