Finding the Fourth Proportional to 154,779.18, 213,516.62 and 101,095.62
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Solution
The fourth proportional to 154,779.18, 213,516.62 and 101,095.62 is: 139,460.59
Step by Step Solution
- Step 1: Write the proportion equation
154,779.18 : 213,516.62 = 101,095.62 : x - Step 2: Convert to fraction form
154,779.18/213,516.62 = 101,095.62/x - Step 3: Cross multiply
154,779.18x = 213,516.62 × 101,095.62 - Step 4: Simplify right side
154,779.18x = 21,585,595,079.20 - Step 5: Solve for x
x = 21,585,595,079.20/154,779.18 - Step 6: Final answer
x = 139,460.59
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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.