Finding the Fourth Proportional to 247,782.16, 341,910.36 and 145,785.19
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Solution
The fourth proportional to 247,782.16, 341,910.36 and 145,785.19 is: 201,166.49
Step by Step Solution
- Step 1: Write the proportion equation
247,782.16 : 341,910.36 = 145,785.19 : x - Step 2: Convert to fraction form
247,782.16/341,910.36 = 145,785.19/x - Step 3: Cross multiply
247,782.16x = 341,910.36 × 145,785.19 - Step 4: Simplify right side
247,782.16x = 49,845,466,795.57 - Step 5: Solve for x
x = 49,845,466,795.57/247,782.16 - Step 6: Final answer
x = 201,166.49
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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.