Finding the Fourth Proportional to 260,114.14, 390,283.80 and 91,754.56
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Solution
The fourth proportional to 260,114.14, 390,283.80 and 91,754.56 is: 137,671.56
Step by Step Solution
- Step 1: Write the proportion equation
260,114.14 : 390,283.80 = 91,754.56 : x - Step 2: Convert to fraction form
260,114.14/390,283.80 = 91,754.56/x - Step 3: Cross multiply
260,114.14x = 390,283.80 × 91,754.56 - Step 4: Simplify right side
260,114.14x = 35,810,318,344.13 - Step 5: Solve for x
x = 35,810,318,344.13/260,114.14 - Step 6: Final answer
x = 137,671.56
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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.