Finding the Fourth Proportional to 395,372.63, 545,694.71 and 268,089.23
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Solution
The fourth proportional to 395,372.63, 545,694.71 and 268,089.23 is: 370,017.70
Step by Step Solution
- Step 1: Write the proportion equation
395,372.63 : 545,694.71 = 268,089.23 : x - Step 2: Convert to fraction form
395,372.63/545,694.71 = 268,089.23/x - Step 3: Cross multiply
395,372.63x = 545,694.71 × 268,089.23 - Step 4: Simplify right side
395,372.63x = 146,294,870,550.05 - Step 5: Solve for x
x = 146,294,870,550.05/395,372.63 - Step 6: Final answer
x = 370,017.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.