Finding the Fourth Proportional to 216,285.96, 298,481.04 and 125,656.68
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Solution
The fourth proportional to 216,285.96, 298,481.04 and 125,656.68 is: 173,409.95
Step by Step Solution
- Step 1: Write the proportion equation
216,285.96 : 298,481.04 = 125,656.68 : x - Step 2: Convert to fraction form
216,285.96/298,481.04 = 125,656.68/x - Step 3: Cross multiply
216,285.96x = 298,481.04 × 125,656.68 - Step 4: Simplify right side
216,285.96x = 37,506,136,529.35 - Step 5: Solve for x
x = 37,506,136,529.35/216,285.96 - Step 6: Final answer
x = 173,409.95
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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.