Finding the Fourth Proportional to 130,288.39, 195,459.97 and 44,907.03
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Solution
The fourth proportional to 130,288.39, 195,459.97 and 44,907.03 is: 67,369.99
Step by Step Solution
- Step 1: Write the proportion equation
130,288.39 : 195,459.97 = 44,907.03 : x - Step 2: Convert to fraction form
130,288.39/195,459.97 = 44,907.03/x - Step 3: Cross multiply
130,288.39x = 195,459.97 × 44,907.03 - Step 4: Simplify right side
130,288.39x = 8,777,527,655.60 - Step 5: Solve for x
x = 8,777,527,655.60/130,288.39 - Step 6: Final answer
x = 67,369.99
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1.5x scale
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.