Finding the Fourth Proportional to 278,376.24, 417,525.48 and 118,516.26
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Solution
The fourth proportional to 278,376.24, 417,525.48 and 118,516.26 is: 177,757.84
Step by Step Solution
- Step 1: Write the proportion equation
278,376.24 : 417,525.48 = 118,516.26 : x - Step 2: Convert to fraction form
278,376.24/417,525.48 = 118,516.26/x - Step 3: Cross multiply
278,376.24x = 417,525.48 × 118,516.26 - Step 4: Simplify right side
278,376.24x = 49,483,558,344.30 - Step 5: Solve for x
x = 49,483,558,344.30/278,376.24 - Step 6: Final answer
x = 177,757.84
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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.