Finding the Fourth Proportional to 88,212.13, 132,317.99 and 38,285.75
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Solution
The fourth proportional to 88,212.13, 132,317.99 and 38,285.75 is: 57,428.54
Step by Step Solution
- Step 1: Write the proportion equation
88,212.13 : 132,317.99 = 38,285.75 : x - Step 2: Convert to fraction form
88,212.13/132,317.99 = 38,285.75/x - Step 3: Cross multiply
88,212.13x = 132,317.99 × 38,285.75 - Step 4: Simplify right side
88,212.13x = 5,065,893,768.58 - Step 5: Solve for x
x = 5,065,893,768.58/88,212.13 - Step 6: Final answer
x = 57,428.54
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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.