Finding the Fourth Proportional to 205,374.23, 307,311.98 and 121,174.73
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Solution
The fourth proportional to 205,374.23, 307,311.98 and 121,174.73 is: 181,319.95
Step by Step Solution
- Step 1: Write the proportion equation
205,374.23 : 307,311.98 = 121,174.73 : x - Step 2: Convert to fraction form
205,374.23/307,311.98 = 121,174.73/x - Step 3: Cross multiply
205,374.23x = 307,311.98 × 121,174.73 - Step 4: Simplify right side
205,374.23x = 37,238,444,059.83 - Step 5: Solve for x
x = 37,238,444,059.83/205,374.23 - Step 6: Final answer
x = 181,319.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.