Finding the Fourth Proportional to 260,504.81, 390,757.21 and 73,516.31
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Solution
The fourth proportional to 260,504.81, 390,757.21 and 73,516.31 is: 110,274.46
Step by Step Solution
- Step 1: Write the proportion equation
260,504.81 : 390,757.21 = 73,516.31 : x - Step 2: Convert to fraction form
260,504.81/390,757.21 = 73,516.31/x - Step 3: Cross multiply
260,504.81x = 390,757.21 × 73,516.31 - Step 4: Simplify right side
260,504.81x = 28,727,027,926.39 - Step 5: Solve for x
x = 28,727,027,926.39/260,504.81 - Step 6: Final answer
x = 110,274.46
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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.