Finding the Fourth Proportional to 86,809.44, 130,214.08 and 24,471.84
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Solution
The fourth proportional to 86,809.44, 130,214.08 and 24,471.84 is: 36,707.74
Step by Step Solution
- Step 1: Write the proportion equation
86,809.44 : 130,214.08 = 24,471.84 : x - Step 2: Convert to fraction form
86,809.44/130,214.08 = 24,471.84/x - Step 3: Cross multiply
86,809.44x = 130,214.08 × 24,471.84 - Step 4: Simplify right side
86,809.44x = 3,186,578,131.51 - Step 5: Solve for x
x = 3,186,578,131.51/86,809.44 - Step 6: Final answer
x = 36,707.74
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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.