Finding the Fourth Proportional to 287,133.99, 430,720.76 and 97,516.97
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Solution
The fourth proportional to 287,133.99, 430,720.76 and 97,516.97 is: 146,282.17
Step by Step Solution
- Step 1: Write the proportion equation
287,133.99 : 430,720.76 = 97,516.97 : x - Step 2: Convert to fraction form
287,133.99/430,720.76 = 97,516.97/x - Step 3: Cross multiply
287,133.99x = 430,720.76 × 97,516.97 - Step 4: Simplify right side
287,133.99x = 42,002,583,431.30 - Step 5: Solve for x
x = 42,002,583,431.30/287,133.99 - Step 6: Final answer
x = 146,282.17
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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.