Finding the Fourth Proportional to 193,867.68, 290,778.96 and 53,637.20
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Solution
The fourth proportional to 193,867.68, 290,778.96 and 53,637.20 is: 80,449.56
Step by Step Solution
- Step 1: Write the proportion equation
193,867.68 : 290,778.96 = 53,637.20 : x - Step 2: Convert to fraction form
193,867.68/290,778.96 = 53,637.20/x - Step 3: Cross multiply
193,867.68x = 290,778.96 × 53,637.20 - Step 4: Simplify right side
193,867.68x = 15,596,569,233.31 - Step 5: Solve for x
x = 15,596,569,233.31/193,867.68 - Step 6: Final answer
x = 80,449.56
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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.