Finding the Fourth Proportional to 199,203.91, 274,901.40 and 109,779.91
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Solution
The fourth proportional to 199,203.91, 274,901.40 and 109,779.91 is: 151,496.28
Step by Step Solution
- Step 1: Write the proportion equation
199,203.91 : 274,901.40 = 109,779.91 : x - Step 2: Convert to fraction form
199,203.91/274,901.40 = 109,779.91/x - Step 3: Cross multiply
199,203.91x = 274,901.40 × 109,779.91 - Step 4: Simplify right side
199,203.91x = 30,178,650,950.87 - Step 5: Solve for x
x = 30,178,650,950.87/199,203.91 - Step 6: Final answer
x = 151,496.28
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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.