Finding the Fourth Proportional to 372,180.84, 513,610.11 and 202,414.56
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Solution
The fourth proportional to 372,180.84, 513,610.11 and 202,414.56 is: 279,332.39
Step by Step Solution
- Step 1: Write the proportion equation
372,180.84 : 513,610.11 = 202,414.56 : x - Step 2: Convert to fraction form
372,180.84/513,610.11 = 202,414.56/x - Step 3: Cross multiply
372,180.84x = 513,610.11 × 202,414.56 - Step 4: Simplify right side
372,180.84x = 103,962,164,427.20 - Step 5: Solve for x
x = 103,962,164,427.20/372,180.84 - Step 6: Final answer
x = 279,332.39
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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.