Finding the Fourth Proportional to 234,394.08, 323,440.68 and 131,009.19
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Solution
The fourth proportional to 234,394.08, 323,440.68 and 131,009.19 is: 180,779.74
Step by Step Solution
- Step 1: Write the proportion equation
234,394.08 : 323,440.68 = 131,009.19 : x - Step 2: Convert to fraction form
234,394.08/323,440.68 = 131,009.19/x - Step 3: Cross multiply
234,394.08x = 323,440.68 × 131,009.19 - Step 4: Simplify right side
234,394.08x = 42,373,701,499.85 - Step 5: Solve for x
x = 42,373,701,499.85/234,394.08 - Step 6: Final answer
x = 180,779.74
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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.