Finding the Fourth Proportional to 197,779.86, 272,936.52 and 117,246.96
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Solution
The fourth proportional to 197,779.86, 272,936.52 and 117,246.96 is: 161,800.99
Step by Step Solution
- Step 1: Write the proportion equation
197,779.86 : 272,936.52 = 117,246.96 : x - Step 2: Convert to fraction form
197,779.86/272,936.52 = 117,246.96/x - Step 3: Cross multiply
197,779.86x = 272,936.52 × 117,246.96 - Step 4: Simplify right side
197,779.86x = 32,000,977,242.98 - Step 5: Solve for x
x = 32,000,977,242.98/197,779.86 - Step 6: Final answer
x = 161,800.99
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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.