Finding the Fourth Proportional to 117,483.21, 176,187.56 and 38,579.09
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Solution
The fourth proportional to 117,483.21, 176,187.56 and 38,579.09 is: 57,856.39
Step by Step Solution
- Step 1: Write the proportion equation
117,483.21 : 176,187.56 = 38,579.09 : x - Step 2: Convert to fraction form
117,483.21/176,187.56 = 38,579.09/x - Step 3: Cross multiply
117,483.21x = 176,187.56 × 38,579.09 - Step 4: Simplify right side
117,483.21x = 6,797,154,660.29 - Step 5: Solve for x
x = 6,797,154,660.29/117,483.21 - Step 6: Final answer
x = 57,856.39
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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.