Finding the Fourth Proportional to 372,178.08, 513,126.36 and 270,351.36
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Solution
The fourth proportional to 372,178.08, 513,126.36 and 270,351.36 is: 372,736.65
Step by Step Solution
- Step 1: Write the proportion equation
372,178.08 : 513,126.36 = 270,351.36 : x - Step 2: Convert to fraction form
372,178.08/513,126.36 = 270,351.36/x - Step 3: Cross multiply
372,178.08x = 513,126.36 × 270,351.36 - Step 4: Simplify right side
372,178.08x = 138,724,409,277.85 - Step 5: Solve for x
x = 138,724,409,277.85/372,178.08 - Step 6: Final answer
x = 372,736.65
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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.