Finding the Fourth Proportional to 284,391.02, 392,457.19 and 157,063.88
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Solution
The fourth proportional to 284,391.02, 392,457.19 and 157,063.88 is: 216,746.82
Step by Step Solution
- Step 1: Write the proportion equation
284,391.02 : 392,457.19 = 157,063.88 : x - Step 2: Convert to fraction form
284,391.02/392,457.19 = 157,063.88/x - Step 3: Cross multiply
284,391.02x = 392,457.19 × 157,063.88 - Step 4: Simplify right side
284,391.02x = 61,640,848,995.30 - Step 5: Solve for x
x = 61,640,848,995.30/284,391.02 - Step 6: Final answer
x = 216,746.82
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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.