Finding the Fourth Proportional to 400,224.10, 552,309.07 and 218,935.99
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Solution
The fourth proportional to 400,224.10, 552,309.07 and 218,935.99 is: 302,131.56
Step by Step Solution
- Step 1: Write the proportion equation
400,224.10 : 552,309.07 = 218,935.99 : x - Step 2: Convert to fraction form
400,224.10/552,309.07 = 218,935.99/x - Step 3: Cross multiply
400,224.10x = 552,309.07 × 218,935.99 - Step 4: Simplify right side
400,224.10x = 120,920,330,264.88 - Step 5: Solve for x
x = 120,920,330,264.88/400,224.10 - Step 6: Final answer
x = 302,131.56
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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.