Finding the Fourth Proportional to 354,910.96, 489,778.24 and 227,587.06
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Solution
The fourth proportional to 354,910.96, 489,778.24 and 227,587.06 is: 314,070.86
Step by Step Solution
- Step 1: Write the proportion equation
354,910.96 : 489,778.24 = 227,587.06 : x - Step 2: Convert to fraction form
354,910.96/489,778.24 = 227,587.06/x - Step 3: Cross multiply
354,910.96x = 489,778.24 × 227,587.06 - Step 4: Simplify right side
354,910.96x = 111,467,187,900.16 - Step 5: Solve for x
x = 111,467,187,900.16/354,910.96 - Step 6: Final answer
x = 314,070.86
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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.