Finding the Fourth Proportional to 86,868.14, 130,326.88 and 44,779.08
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Solution
The fourth proportional to 86,868.14, 130,326.88 and 44,779.08 is: 67,181.34
Step by Step Solution
- Step 1: Write the proportion equation
86,868.14 : 130,326.88 = 44,779.08 : x - Step 2: Convert to fraction form
86,868.14/130,326.88 = 44,779.08/x - Step 3: Cross multiply
86,868.14x = 130,326.88 × 44,779.08 - Step 4: Simplify right side
86,868.14x = 5,835,917,785.67 - Step 5: Solve for x
x = 5,835,917,785.67/86,868.14 - Step 6: Final answer
x = 67,181.34
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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.