Finding the Fourth Proportional to 86,839.13, 130,258.69 and 24,509.63
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Solution
The fourth proportional to 86,839.13, 130,258.69 and 24,509.63 is: 36,764.44
Step by Step Solution
- Step 1: Write the proportion equation
86,839.13 : 130,258.69 = 24,509.63 : x - Step 2: Convert to fraction form
86,839.13/130,258.69 = 24,509.63/x - Step 3: Cross multiply
86,839.13x = 130,258.69 × 24,509.63 - Step 4: Simplify right side
86,839.13x = 3,192,592,296.18 - Step 5: Solve for x
x = 3,192,592,296.18/86,839.13 - Step 6: Final answer
x = 36,764.44
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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.