Finding the Fourth Proportional to 284,351.70, 392,405.07 and 157,026.99
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Solution
The fourth proportional to 284,351.70, 392,405.07 and 157,026.99 is: 216,697.09
Step by Step Solution
- Step 1: Write the proportion equation
284,351.70 : 392,405.07 = 157,026.99 : x - Step 2: Convert to fraction form
284,351.70/392,405.07 = 157,026.99/x - Step 3: Cross multiply
284,351.70x = 392,405.07 × 157,026.99 - Step 4: Simplify right side
284,351.70x = 61,618,187,002.84 - Step 5: Solve for x
x = 61,618,187,002.84/284,351.70 - Step 6: Final answer
x = 216,697.09
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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.