Finding the Fourth Proportional to 260,591.99, 390,226.41 and 218,361.02
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Solution
The fourth proportional to 260,591.99, 390,226.41 and 218,361.02 is: 326,987.17
Step by Step Solution
- Step 1: Write the proportion equation
260,591.99 : 390,226.41 = 218,361.02 : x - Step 2: Convert to fraction form
260,591.99/390,226.41 = 218,361.02/x - Step 3: Cross multiply
260,591.99x = 390,226.41 × 218,361.02 - Step 4: Simplify right side
260,591.99x = 85,210,234,967.41 - Step 5: Solve for x
x = 85,210,234,967.41/260,591.99 - Step 6: Final answer
x = 326,987.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.