Finding the Fourth Proportional to 323,950.95, 447,049.26 and 178,758.09
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Solution
The fourth proportional to 323,950.95, 447,049.26 and 178,758.09 is: 246,684.48
Step by Step Solution
- Step 1: Write the proportion equation
323,950.95 : 447,049.26 = 178,758.09 : x - Step 2: Convert to fraction form
323,950.95/447,049.26 = 178,758.09/x - Step 3: Cross multiply
323,950.95x = 447,049.26 × 178,758.09 - Step 4: Simplify right side
323,950.95x = 79,913,671,853.51 - Step 5: Solve for x
x = 79,913,671,853.51/323,950.95 - Step 6: Final answer
x = 246,684.48
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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.