Finding the Fourth Proportional to 374,747.99, 517,139.24 and 213,654.92
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Solution
The fourth proportional to 374,747.99, 517,139.24 and 213,654.92 is: 294,836.38
Step by Step Solution
- Step 1: Write the proportion equation
374,747.99 : 517,139.24 = 213,654.92 : x - Step 2: Convert to fraction form
374,747.99/517,139.24 = 213,654.92/x - Step 3: Cross multiply
374,747.99x = 517,139.24 × 213,654.92 - Step 4: Simplify right side
374,747.99x = 110,489,339,297.09 - Step 5: Solve for x
x = 110,489,339,297.09/374,747.99 - Step 6: Final answer
x = 294,836.38
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1.5x scale
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.