Finding the Fourth Proportional to 416,640.24, 625,154.76 and 248,155.92
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Solution
The fourth proportional to 416,640.24, 625,154.76 and 248,155.92 is: 372,349.67
Step by Step Solution
- Step 1: Write the proportion equation
416,640.24 : 625,154.76 = 248,155.92 : x - Step 2: Convert to fraction form
416,640.24/625,154.76 = 248,155.92/x - Step 3: Cross multiply
416,640.24x = 625,154.76 × 248,155.92 - Step 4: Simplify right side
416,640.24x = 155,135,854,610.18 - Step 5: Solve for x
x = 155,135,854,610.18/416,640.24 - Step 6: Final answer
x = 372,349.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.