Finding the Fourth Proportional to 117,651.54, 176,504.99 and 38,765.76
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Solution
The fourth proportional to 117,651.54, 176,504.99 and 38,765.76 is: 58,157.76
Step by Step Solution
- Step 1: Write the proportion equation
117,651.54 : 176,504.99 = 38,765.76 : x - Step 2: Convert to fraction form
117,651.54/176,504.99 = 38,765.76/x - Step 3: Cross multiply
117,651.54x = 176,504.99 × 38,765.76 - Step 4: Simplify right side
117,651.54x = 6,842,349,887.31 - Step 5: Solve for x
x = 6,842,349,887.31/117,651.54 - Step 6: Final answer
x = 58,157.76
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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.