Finding the Fourth Proportional to 372,382.84, 513,899.28 and 202,627.96
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Solution
The fourth proportional to 372,382.84, 513,899.28 and 202,627.96 is: 279,632.55
Step by Step Solution
- Step 1: Write the proportion equation
372,382.84 : 513,899.28 = 202,627.96 : x - Step 2: Convert to fraction form
372,382.84/513,899.28 = 202,627.96/x - Step 3: Cross multiply
372,382.84x = 513,899.28 × 202,627.96 - Step 4: Simplify right side
372,382.84x = 104,130,362,751.87 - Step 5: Solve for x
x = 104,130,362,751.87/372,382.84 - Step 6: Final answer
x = 279,632.55
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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.