Finding the Fourth Proportional to 271,813.76, 407,871.84 and 103,446.08
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Solution
The fourth proportional to 271,813.76, 407,871.84 and 103,446.08 is: 155,226.66
Step by Step Solution
- Step 1: Write the proportion equation
271,813.76 : 407,871.84 = 103,446.08 : x - Step 2: Convert to fraction form
271,813.76/407,871.84 = 103,446.08/x - Step 3: Cross multiply
271,813.76x = 407,871.84 × 103,446.08 - Step 4: Simplify right side
271,813.76x = 42,192,742,990.39 - Step 5: Solve for x
x = 42,192,742,990.39/271,813.76 - Step 6: Final answer
x = 155,226.66
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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.