Finding the Fourth Proportional to 159,530.72, 239,389.10 and 59,760.99
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Solution
The fourth proportional to 159,530.72, 239,389.10 and 59,760.99 is: 89,676.33
Step by Step Solution
- Step 1: Write the proportion equation
159,530.72 : 239,389.10 = 59,760.99 : x - Step 2: Convert to fraction form
159,530.72/239,389.10 = 59,760.99/x - Step 3: Cross multiply
159,530.72x = 239,389.10 × 59,760.99 - Step 4: Simplify right side
159,530.72x = 14,306,129,368.43 - Step 5: Solve for x
x = 14,306,129,368.43/159,530.72 - Step 6: Final answer
x = 89,676.33
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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.