Finding the Fourth Proportional to 372,426.42, 513,960.08 and 211,288.26
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Solution
The fourth proportional to 372,426.42, 513,960.08 and 211,288.26 is: 291,584.39
Step by Step Solution
- Step 1: Write the proportion equation
372,426.42 : 513,960.08 = 211,288.26 : x - Step 2: Convert to fraction form
372,426.42/513,960.08 = 211,288.26/x - Step 3: Cross multiply
372,426.42x = 513,960.08 × 211,288.26 - Step 4: Simplify right side
372,426.42x = 108,593,729,956.22 - Step 5: Solve for x
x = 108,593,729,956.22/372,426.42 - Step 6: Final answer
x = 291,584.39
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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.