Finding the Fourth Proportional to 247,176.63, 341,106.43 and 145,206.38
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Solution
The fourth proportional to 247,176.63, 341,106.43 and 145,206.38 is: 200,386.38
Step by Step Solution
- Step 1: Write the proportion equation
247,176.63 : 341,106.43 = 145,206.38 : x - Step 2: Convert to fraction form
247,176.63/341,106.43 = 145,206.38/x - Step 3: Cross multiply
247,176.63x = 341,106.43 × 145,206.38 - Step 4: Simplify right side
247,176.63x = 49,530,829,895.02 - Step 5: Solve for x
x = 49,530,829,895.02/247,176.63 - Step 6: Final answer
x = 200,386.38
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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.