Finding the Fourth Proportional to 509,909.08, 764,754.26 and 210,311.96
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Solution
The fourth proportional to 509,909.08, 764,754.26 and 210,311.96 is: 315,422.83
Step by Step Solution
- Step 1: Write the proportion equation
509,909.08 : 764,754.26 = 210,311.96 : x - Step 2: Convert to fraction form
509,909.08/764,754.26 = 210,311.96/x - Step 3: Cross multiply
509,909.08x = 764,754.26 × 210,311.96 - Step 4: Simplify right side
509,909.08x = 160,836,967,338.95 - Step 5: Solve for x
x = 160,836,967,338.95/509,909.08 - Step 6: Final answer
x = 315,422.83
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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.