Finding the Fourth Proportional to 284,250.84, 392,278.86 and 163,431.32
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Solution
The fourth proportional to 284,250.84, 392,278.86 and 163,431.32 is: 225,542.52
Step by Step Solution
- Step 1: Write the proportion equation
284,250.84 : 392,278.86 = 163,431.32 : x - Step 2: Convert to fraction form
284,250.84/392,278.86 = 163,431.32/x - Step 3: Cross multiply
284,250.84x = 392,278.86 × 163,431.32 - Step 4: Simplify right side
284,250.84x = 64,110,651,897.90 - Step 5: Solve for x
x = 64,110,651,897.90/284,250.84 - Step 6: Final answer
x = 225,542.52
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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.