Finding the Fourth Proportional to 366,961.70, 550,442.55 and 209,497.70
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Solution
The fourth proportional to 366,961.70, 550,442.55 and 209,497.70 is: 314,246.55
Step by Step Solution
- Step 1: Write the proportion equation
366,961.70 : 550,442.55 = 209,497.70 : x - Step 2: Convert to fraction form
366,961.70/550,442.55 = 209,497.70/x - Step 3: Cross multiply
366,961.70x = 550,442.55 × 209,497.70 - Step 4: Simplify right side
366,961.70x = 115,316,448,207.14 - Step 5: Solve for x
x = 115,316,448,207.14/366,961.70 - Step 6: Final answer
x = 314,246.55
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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.