Finding the Fourth Proportional to 247,187.08, 341,120.80 and 145,216.79
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Solution
The fourth proportional to 247,187.08, 341,120.80 and 145,216.79 is: 200,400.72
Step by Step Solution
- Step 1: Write the proportion equation
247,187.08 : 341,120.80 = 145,216.79 : x - Step 2: Convert to fraction form
247,187.08/341,120.80 = 145,216.79/x - Step 3: Cross multiply
247,187.08x = 341,120.80 × 145,216.79 - Step 4: Simplify right side
247,187.08x = 49,536,467,578.23 - Step 5: Solve for x
x = 49,536,467,578.23/247,187.08 - Step 6: Final answer
x = 200,400.72
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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.