Finding the Fourth Proportional to 246,306.77, 339,903.20 and 133,129.52
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Solution
The fourth proportional to 246,306.77, 339,903.20 and 133,129.52 is: 183,718.66
Step by Step Solution
- Step 1: Write the proportion equation
246,306.77 : 339,903.20 = 133,129.52 : x - Step 2: Convert to fraction form
246,306.77/339,903.20 = 133,129.52/x - Step 3: Cross multiply
246,306.77x = 339,903.20 × 133,129.52 - Step 4: Simplify right side
246,306.77x = 45,251,151,120.72 - Step 5: Solve for x
x = 45,251,151,120.72/246,306.77 - Step 6: Final answer
x = 183,718.66
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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.