Finding the Fourth Proportional to 107,549.19, 161,178.46 and 40,952.99
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Solution
The fourth proportional to 107,549.19, 161,178.46 and 40,952.99 is: 61,374.15
Step by Step Solution
- Step 1: Write the proportion equation
107,549.19 : 161,178.46 = 40,952.99 : x - Step 2: Convert to fraction form
107,549.19/161,178.46 = 40,952.99/x - Step 3: Cross multiply
107,549.19x = 161,178.46 × 40,952.99 - Step 4: Simplify right side
107,549.19x = 6,600,739,655.83 - Step 5: Solve for x
x = 6,600,739,655.83/107,549.19 - Step 6: Final answer
x = 61,374.15
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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.