Finding the Fourth Proportional to 159,306.24, 239,106.96 and 80,475.96
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Solution
The fourth proportional to 159,306.24, 239,106.96 and 80,475.96 is: 120,788.50
Step by Step Solution
- Step 1: Write the proportion equation
159,306.24 : 239,106.96 = 80,475.96 : x - Step 2: Convert to fraction form
159,306.24/239,106.96 = 80,475.96/x - Step 3: Cross multiply
159,306.24x = 239,106.96 × 80,475.96 - Step 4: Simplify right side
159,306.24x = 19,242,362,148.68 - Step 5: Solve for x
x = 19,242,362,148.68/159,306.24 - Step 6: Final answer
x = 120,788.50
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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.