Finding the Fourth Proportional to 369,516.21, 554,102.03 and 191,975.55
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Solution
The fourth proportional to 369,516.21, 554,102.03 and 191,975.55 is: 287,873.82
Step by Step Solution
- Step 1: Write the proportion equation
369,516.21 : 554,102.03 = 191,975.55 : x - Step 2: Convert to fraction form
369,516.21/554,102.03 = 191,975.55/x - Step 3: Cross multiply
369,516.21x = 554,102.03 × 191,975.55 - Step 4: Simplify right side
369,516.21x = 106,374,042,445.31 - Step 5: Solve for x
x = 106,374,042,445.31/369,516.21 - Step 6: Final answer
x = 287,873.82
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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.