Finding the Fourth Proportional to 180,279.18, 248,780.70 and 99,704.70
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Solution
The fourth proportional to 180,279.18, 248,780.70 and 99,704.70 is: 137,589.96
Step by Step Solution
- Step 1: Write the proportion equation
180,279.18 : 248,780.70 = 99,704.70 : x - Step 2: Convert to fraction form
180,279.18/248,780.70 = 99,704.70/x - Step 3: Cross multiply
180,279.18x = 248,780.70 × 99,704.70 - Step 4: Simplify right side
180,279.18x = 24,804,605,059.29 - Step 5: Solve for x
x = 24,804,605,059.29/180,279.18 - Step 6: Final answer
x = 137,589.96
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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.