Finding the Fourth Proportional to 329,622.16, 454,887.48 and 202,222.12
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Solution
The fourth proportional to 329,622.16, 454,887.48 and 202,222.12 is: 279,071.99
Step by Step Solution
- Step 1: Write the proportion equation
329,622.16 : 454,887.48 = 202,222.12 : x - Step 2: Convert to fraction form
329,622.16/454,887.48 = 202,222.12/x - Step 3: Cross multiply
329,622.16x = 454,887.48 × 202,222.12 - Step 4: Simplify right side
329,622.16x = 91,988,310,567.06 - Step 5: Solve for x
x = 91,988,310,567.06/329,622.16 - Step 6: Final answer
x = 279,071.99
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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.