Finding the Fourth Proportional to 374,045.49, 516,183.36 and 212,900.55
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Solution
The fourth proportional to 374,045.49, 516,183.36 and 212,900.55 is: 293,803.09
Step by Step Solution
- Step 1: Write the proportion equation
374,045.49 : 516,183.36 = 212,900.55 : x - Step 2: Convert to fraction form
374,045.49/516,183.36 = 212,900.55/x - Step 3: Cross multiply
374,045.49x = 516,183.36 × 212,900.55 - Step 4: Simplify right side
374,045.49x = 109,895,720,107.54 - Step 5: Solve for x
x = 109,895,720,107.54/374,045.49 - Step 6: Final answer
x = 293,803.09
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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.