Finding the Fourth Proportional to 372,634.19, 558,960.48 and 135,976.80
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Solution
The fourth proportional to 372,634.19, 558,960.48 and 135,976.80 is: 203,968.56
Step by Step Solution
- Step 1: Write the proportion equation
372,634.19 : 558,960.48 = 135,976.80 : x - Step 2: Convert to fraction form
372,634.19/558,960.48 = 135,976.80/x - Step 3: Cross multiply
372,634.19x = 558,960.48 × 135,976.80 - Step 4: Simplify right side
372,634.19x = 76,005,657,396.86 - Step 5: Solve for x
x = 76,005,657,396.86/372,634.19 - Step 6: Final answer
x = 203,968.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.