Finding the Fourth Proportional to 284,466.09, 392,548.77 and 157,117.08
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Solution
The fourth proportional to 284,466.09, 392,548.77 and 157,117.08 is: 216,813.60
Step by Step Solution
- Step 1: Write the proportion equation
284,466.09 : 392,548.77 = 157,117.08 : x - Step 2: Convert to fraction form
284,466.09/392,548.77 = 157,117.08/x - Step 3: Cross multiply
284,466.09x = 392,548.77 × 157,117.08 - Step 4: Simplify right side
284,466.09x = 61,676,116,499.99 - Step 5: Solve for x
x = 61,676,116,499.99/284,466.09 - Step 6: Final answer
x = 216,813.60
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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.