Finding the Fourth Proportional to 366,928.90, 506,417.25 and 223,771.99
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Solution
The fourth proportional to 366,928.90, 506,417.25 and 223,771.99 is: 308,839.11
Step by Step Solution
- Step 1: Write the proportion equation
366,928.90 : 506,417.25 = 223,771.99 : x - Step 2: Convert to fraction form
366,928.90/506,417.25 = 223,771.99/x - Step 3: Cross multiply
366,928.90x = 506,417.25 × 223,771.99 - Step 4: Simplify right side
366,928.90x = 113,321,995,802.83 - Step 5: Solve for x
x = 113,321,995,802.83/366,928.90 - Step 6: Final answer
x = 308,839.11
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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.