Finding the Fourth Proportional to 374,480.99, 516,725.95 and 213,315.56
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Solution
The fourth proportional to 374,480.99, 516,725.95 and 213,315.56 is: 294,342.54
Step by Step Solution
- Step 1: Write the proportion equation
374,480.99 : 516,725.95 = 213,315.56 : x - Step 2: Convert to fraction form
374,480.99/516,725.95 = 213,315.56/x - Step 3: Cross multiply
374,480.99x = 516,725.95 × 213,315.56 - Step 4: Simplify right side
374,480.99x = 110,225,685,390.78 - Step 5: Solve for x
x = 110,225,685,390.78/374,480.99 - Step 6: Final answer
x = 294,342.54
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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.