Finding the Fourth Proportional to 372,107.95, 513,503.12 and 202,340.59
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Solution
The fourth proportional to 372,107.95, 513,503.12 and 202,340.59 is: 279,226.83
Step by Step Solution
- Step 1: Write the proportion equation
372,107.95 : 513,503.12 = 202,340.59 : x - Step 2: Convert to fraction form
372,107.95/513,503.12 = 202,340.59/x - Step 3: Cross multiply
372,107.95x = 513,503.12 × 202,340.59 - Step 4: Simplify right side
372,107.95x = 103,902,523,255.94 - Step 5: Solve for x
x = 103,902,523,255.94/372,107.95 - Step 6: Final answer
x = 279,226.83
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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.