Finding the Fourth Proportional to 287,132.99, 430,719.26 and 97,515.97
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Solution
The fourth proportional to 287,132.99, 430,719.26 and 97,515.97 is: 146,280.67
Step by Step Solution
- Step 1: Write the proportion equation
287,132.99 : 430,719.26 = 97,515.97 : x - Step 2: Convert to fraction form
287,132.99/430,719.26 = 97,515.97/x - Step 3: Cross multiply
287,132.99x = 430,719.26 × 97,515.97 - Step 4: Simplify right side
287,132.99x = 42,002,004,872.20 - Step 5: Solve for x
x = 42,002,004,872.20/287,132.99 - Step 6: Final answer
x = 146,280.67
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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.