Finding the Fourth Proportional to 234,208.79, 323,208.27 and 126,779.70
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Solution
The fourth proportional to 234,208.79, 323,208.27 and 126,779.70 is: 174,956.07
Step by Step Solution
- Step 1: Write the proportion equation
234,208.79 : 323,208.27 = 126,779.70 : x - Step 2: Convert to fraction form
234,208.79/323,208.27 = 126,779.70/x - Step 3: Cross multiply
234,208.79x = 323,208.27 × 126,779.70 - Step 4: Simplify right side
234,208.79x = 40,976,247,508.12 - Step 5: Solve for x
x = 40,976,247,508.12/234,208.79 - Step 6: Final answer
x = 174,956.07
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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.