Finding the Fourth Proportional to 239,416.56, 358,665.12 and 133,915.68
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Solution
The fourth proportional to 239,416.56, 358,665.12 and 133,915.68 is: 200,616.38
Step by Step Solution
- Step 1: Write the proportion equation
239,416.56 : 358,665.12 = 133,915.68 : x - Step 2: Convert to fraction form
239,416.56/358,665.12 = 133,915.68/x - Step 3: Cross multiply
239,416.56x = 358,665.12 × 133,915.68 - Step 4: Simplify right side
239,416.56x = 48,030,883,437.08 - Step 5: Solve for x
x = 48,030,883,437.08/239,416.56 - Step 6: Final answer
x = 200,616.38
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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.