Finding the Fourth Proportional to 374,553.21, 516,756.81 and 213,293.91
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Solution
The fourth proportional to 374,553.21, 516,756.81 and 213,293.91 is: 294,273.49
Step by Step Solution
- Step 1: Write the proportion equation
374,553.21 : 516,756.81 = 213,293.91 : x - Step 2: Convert to fraction form
374,553.21/516,756.81 = 213,293.91/x - Step 3: Cross multiply
374,553.21x = 516,756.81 × 213,293.91 - Step 4: Simplify right side
374,553.21x = 110,221,080,524.03 - Step 5: Solve for x
x = 110,221,080,524.03/374,553.21 - Step 6: Final answer
x = 294,273.49
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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.