Finding the Fourth Proportional to 145,756.98, 218,635.74 and 40,575.96
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Solution
The fourth proportional to 145,756.98, 218,635.74 and 40,575.96 is: 60,864.02
Step by Step Solution
- Step 1: Write the proportion equation
145,756.98 : 218,635.74 = 40,575.96 : x - Step 2: Convert to fraction form
145,756.98/218,635.74 = 40,575.96/x - Step 3: Cross multiply
145,756.98x = 218,635.74 × 40,575.96 - Step 4: Simplify right side
145,756.98x = 8,871,355,040.81 - Step 5: Solve for x
x = 8,871,355,040.81/145,756.98 - Step 6: Final answer
x = 60,864.02
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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.