Finding the Fourth Proportional to 159,486.30, 239,338.80 and 88,408.80
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Solution
The fourth proportional to 159,486.30, 239,338.80 and 88,408.80 is: 132,673.82
Step by Step Solution
- Step 1: Write the proportion equation
159,486.30 : 239,338.80 = 88,408.80 : x - Step 2: Convert to fraction form
159,486.30/239,338.80 = 88,408.80/x - Step 3: Cross multiply
159,486.30x = 239,338.80 × 88,408.80 - Step 4: Simplify right side
159,486.30x = 21,159,656,101.44 - Step 5: Solve for x
x = 21,159,656,101.44/159,486.30 - Step 6: Final answer
x = 132,673.82
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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.