Finding the Fourth Proportional to 366,887.70, 550,331.55 and 209,423.70
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Solution
The fourth proportional to 366,887.70, 550,331.55 and 209,423.70 is: 314,135.55
Step by Step Solution
- Step 1: Write the proportion equation
366,887.70 : 550,331.55 = 209,423.70 : x - Step 2: Convert to fraction form
366,887.70/550,331.55 = 209,423.70/x - Step 3: Cross multiply
366,887.70x = 550,331.55 × 209,423.70 - Step 4: Simplify right side
366,887.70x = 115,252,469,427.74 - Step 5: Solve for x
x = 115,252,469,427.74/366,887.70 - Step 6: Final answer
x = 314,135.55
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1.5x scale
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.