Finding the Fourth Proportional to 216,156.24, 298,243.08 and 126,714.96
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Solution
The fourth proportional to 216,156.24, 298,243.08 and 126,714.96 is: 174,835.85
Step by Step Solution
- Step 1: Write the proportion equation
216,156.24 : 298,243.08 = 126,714.96 : x - Step 2: Convert to fraction form
216,156.24/298,243.08 = 126,714.96/x - Step 3: Cross multiply
216,156.24x = 298,243.08 × 126,714.96 - Step 4: Simplify right side
216,156.24x = 37,791,859,952.48 - Step 5: Solve for x
x = 37,791,859,952.48/216,156.24 - Step 6: Final answer
x = 174,835.85
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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.