Finding the Fourth Proportional to 239,115.29, 358,487.03 and 154,697.09
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Solution
The fourth proportional to 239,115.29, 358,487.03 and 154,697.09 is: 231,925.36
Step by Step Solution
- Step 1: Write the proportion equation
239,115.29 : 358,487.03 = 154,697.09 : x - Step 2: Convert to fraction form
239,115.29/358,487.03 = 154,697.09/x - Step 3: Cross multiply
239,115.29x = 358,487.03 × 154,697.09 - Step 4: Simplify right side
239,115.29x = 55,456,898,938.05 - Step 5: Solve for x
x = 55,456,898,938.05/239,115.29 - Step 6: Final answer
x = 231,925.36
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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.