Finding the Fourth Proportional to 178,933.75, 246,901.89 and 102,440.77
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Solution
The fourth proportional to 178,933.75, 246,901.89 and 102,440.77 is: 141,352.99
Step by Step Solution
- Step 1: Write the proportion equation
178,933.75 : 246,901.89 = 102,440.77 : x - Step 2: Convert to fraction form
178,933.75/246,901.89 = 102,440.77/x - Step 3: Cross multiply
178,933.75x = 246,901.89 × 102,440.77 - Step 4: Simplify right side
178,933.75x = 25,292,819,726.06 - Step 5: Solve for x
x = 25,292,819,726.06/178,933.75 - Step 6: Final answer
x = 141,352.99
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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.