Finding the Fourth Proportional to 235,463.18, 324,937.49 and 128,033.28
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Solution
The fourth proportional to 235,463.18, 324,937.49 and 128,033.28 is: 176,685.00
Step by Step Solution
- Step 1: Write the proportion equation
235,463.18 : 324,937.49 = 128,033.28 : x - Step 2: Convert to fraction form
235,463.18/324,937.49 = 128,033.28/x - Step 3: Cross multiply
235,463.18x = 324,937.49 × 128,033.28 - Step 4: Simplify right side
235,463.18x = 41,602,811,999.50 - Step 5: Solve for x
x = 41,602,811,999.50/235,463.18 - Step 6: Final answer
x = 176,685.00
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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.