Finding the Fourth Proportional to 374,478.99, 516,723.19 and 213,313.56
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Solution
The fourth proportional to 374,478.99, 516,723.19 and 213,313.56 is: 294,339.78
Step by Step Solution
- Step 1: Write the proportion equation
374,478.99 : 516,723.19 = 213,313.56 : x - Step 2: Convert to fraction form
374,478.99/516,723.19 = 213,313.56/x - Step 3: Cross multiply
374,478.99x = 516,723.19 × 213,313.56 - Step 4: Simplify right side
374,478.99x = 110,224,063,193.46 - Step 5: Solve for x
x = 110,224,063,193.46/374,478.99 - Step 6: Final answer
x = 294,339.78
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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.