Finding the Fourth Proportional to 372,380.68, 513,894.54 and 202,624.12
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Solution
The fourth proportional to 372,380.68, 513,894.54 and 202,624.12 is: 279,626.29
Step by Step Solution
- Step 1: Write the proportion equation
372,380.68 : 513,894.54 = 202,624.12 : x - Step 2: Convert to fraction form
372,380.68/513,894.54 = 202,624.12/x - Step 3: Cross multiply
372,380.68x = 513,894.54 × 202,624.12 - Step 4: Simplify right side
372,380.68x = 104,127,428,940.31 - Step 5: Solve for x
x = 104,127,428,940.31/372,380.68 - Step 6: Final answer
x = 279,626.29
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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.