Finding the Fourth Proportional to 366,977.70, 550,466.55 and 209,513.70
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Solution
The fourth proportional to 366,977.70, 550,466.55 and 209,513.70 is: 314,270.55
Step by Step Solution
- Step 1: Write the proportion equation
366,977.70 : 550,466.55 = 209,513.70 : x - Step 2: Convert to fraction form
366,977.70/550,466.55 = 209,513.70/x - Step 3: Cross multiply
366,977.70x = 550,466.55 × 209,513.70 - Step 4: Simplify right side
366,977.70x = 115,330,283,616.74 - Step 5: Solve for x
x = 115,330,283,616.74/366,977.70 - Step 6: Final answer
x = 314,270.55
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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.