Finding the Fourth Proportional to 193,981.68, 290,971.74 and 53,739.84
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Solution
The fourth proportional to 193,981.68, 290,971.74 and 53,739.84 is: 80,609.54
Step by Step Solution
- Step 1: Write the proportion equation
193,981.68 : 290,971.74 = 53,739.84 : x - Step 2: Convert to fraction form
193,981.68/290,971.74 = 53,739.84/x - Step 3: Cross multiply
193,981.68x = 290,971.74 × 53,739.84 - Step 4: Simplify right side
193,981.68x = 15,636,774,752.12 - Step 5: Solve for x
x = 15,636,774,752.12/193,981.68 - Step 6: Final answer
x = 80,609.54
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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.