Finding the Fourth Proportional to 193,655.18, 290,497.26 and 53,412.50
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Solution
The fourth proportional to 193,655.18, 290,497.26 and 53,412.50 is: 80,122.75
Step by Step Solution
- Step 1: Write the proportion equation
193,655.18 : 290,497.26 = 53,412.50 : x - Step 2: Convert to fraction form
193,655.18/290,497.26 = 53,412.50/x - Step 3: Cross multiply
193,655.18x = 290,497.26 × 53,412.50 - Step 4: Simplify right side
193,655.18x = 15,516,184,899.75 - Step 5: Solve for x
x = 15,516,184,899.75/193,655.18 - Step 6: Final answer
x = 80,122.75
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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.