Finding the Fourth Proportional to 343,087.80, 514,631.70 and 93,769.80
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Solution
The fourth proportional to 343,087.80, 514,631.70 and 93,769.80 is: 140,654.70
Step by Step Solution
- Step 1: Write the proportion equation
343,087.80 : 514,631.70 = 93,769.80 : x - Step 2: Convert to fraction form
343,087.80/514,631.70 = 93,769.80/x - Step 3: Cross multiply
343,087.80x = 514,631.70 × 93,769.80 - Step 4: Simplify right side
343,087.80x = 48,256,911,582.66 - Step 5: Solve for x
x = 48,256,911,582.66/343,087.80 - Step 6: Final answer
x = 140,654.70
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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.