Finding the Fourth Proportional to 340,477.08, 469,354.28 and 217,951.42
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Solution
The fourth proportional to 340,477.08, 469,354.28 and 217,951.42 is: 300,450.27
Step by Step Solution
- Step 1: Write the proportion equation
340,477.08 : 469,354.28 = 217,951.42 : x - Step 2: Convert to fraction form
340,477.08/469,354.28 = 217,951.42/x - Step 3: Cross multiply
340,477.08x = 469,354.28 × 217,951.42 - Step 4: Simplify right side
340,477.08x = 102,296,431,809.08 - Step 5: Solve for x
x = 102,296,431,809.08/340,477.08 - Step 6: Final answer
x = 300,450.27
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1.5x scale
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.