Finding the Fourth Proportional to 193,828.74, 290,686.95 and 75,473.70
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Solution
The fourth proportional to 193,828.74, 290,686.95 and 75,473.70 is: 113,188.68
Step by Step Solution
- Step 1: Write the proportion equation
193,828.74 : 290,686.95 = 75,473.70 : x - Step 2: Convert to fraction form
193,828.74/290,686.95 = 75,473.70/x - Step 3: Cross multiply
193,828.74x = 290,686.95 × 75,473.70 - Step 4: Simplify right side
193,828.74x = 21,939,219,658.22 - Step 5: Solve for x
x = 21,939,219,658.22/193,828.74 - Step 6: Final answer
x = 113,188.68
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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.