Finding the Fourth Proportional to 246,306.66, 339,903.19 and 133,129.41
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Solution
The fourth proportional to 246,306.66, 339,903.19 and 133,129.41 is: 183,718.58
Step by Step Solution
- Step 1: Write the proportion equation
246,306.66 : 339,903.19 = 133,129.41 : x - Step 2: Convert to fraction form
246,306.66/339,903.19 = 133,129.41/x - Step 3: Cross multiply
246,306.66x = 339,903.19 × 133,129.41 - Step 4: Simplify right side
246,306.66x = 45,251,110,670.91 - Step 5: Solve for x
x = 45,251,110,670.91/246,306.66 - Step 6: Final answer
x = 183,718.58
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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.