Finding the Fourth Proportional to 372,614.96, 558,931.62 and 135,957.60
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Solution
The fourth proportional to 372,614.96, 558,931.62 and 135,957.60 is: 203,939.75
Step by Step Solution
- Step 1: Write the proportion equation
372,614.96 : 558,931.62 = 135,957.60 : x - Step 2: Convert to fraction form
372,614.96/558,931.62 = 135,957.60/x - Step 3: Cross multiply
372,614.96x = 558,931.62 × 135,957.60 - Step 4: Simplify right side
372,614.96x = 75,991,001,619.31 - Step 5: Solve for x
x = 75,991,001,619.31/372,614.96 - Step 6: Final answer
x = 203,939.75
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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.