Finding the Fourth Proportional to 86,824.75, 130,246.47 and 27,646.58
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Solution
The fourth proportional to 86,824.75, 130,246.47 and 27,646.58 is: 41,472.84
Step by Step Solution
- Step 1: Write the proportion equation
86,824.75 : 130,246.47 = 27,646.58 : x - Step 2: Convert to fraction form
86,824.75/130,246.47 = 27,646.58/x - Step 3: Cross multiply
86,824.75x = 130,246.47 × 27,646.58 - Step 4: Simplify right side
86,824.75x = 3,600,869,186.09 - Step 5: Solve for x
x = 3,600,869,186.09/86,824.75 - Step 6: Final answer
x = 41,472.84
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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.