Finding the Fourth Proportional to 372,623.34, 558,944.18 and 135,965.96
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Solution
The fourth proportional to 372,623.34, 558,944.18 and 135,965.96 is: 203,952.29
Step by Step Solution
- Step 1: Write the proportion equation
372,623.34 : 558,944.18 = 135,965.96 : x - Step 2: Convert to fraction form
372,623.34/558,944.18 = 135,965.96/x - Step 3: Cross multiply
372,623.34x = 558,944.18 × 135,965.96 - Step 4: Simplify right side
372,623.34x = 75,997,382,020.11 - Step 5: Solve for x
x = 75,997,382,020.11/372,623.34 - Step 6: Final answer
x = 203,952.29
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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.