Finding the Fourth Proportional to 260,393.19, 390,589.79 and 247,096.23
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Solution
The fourth proportional to 260,393.19, 390,589.79 and 247,096.23 is: 370,644.35
Step by Step Solution
- Step 1: Write the proportion equation
260,393.19 : 390,589.79 = 247,096.23 : x - Step 2: Convert to fraction form
260,393.19/390,589.79 = 247,096.23/x - Step 3: Cross multiply
260,393.19x = 390,589.79 × 247,096.23 - Step 4: Simplify right side
260,393.19x = 96,513,263,350.01 - Step 5: Solve for x
x = 96,513,263,350.01/260,393.19 - Step 6: Final answer
x = 370,644.35
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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.