Finding the Fourth Proportional to 340,979.34, 470,753.10 and 303,148.92
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Solution
The fourth proportional to 340,979.34, 470,753.10 and 303,148.92 is: 418,524.75
Step by Step Solution
- Step 1: Write the proportion equation
340,979.34 : 470,753.10 = 303,148.92 : x - Step 2: Convert to fraction form
340,979.34/470,753.10 = 303,148.92/x - Step 3: Cross multiply
340,979.34x = 470,753.10 × 303,148.92 - Step 4: Simplify right side
340,979.34x = 142,708,293,851.65 - Step 5: Solve for x
x = 142,708,293,851.65/340,979.34 - Step 6: Final answer
x = 418,524.75
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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.