Finding the Fourth Proportional to 287,129.03, 430,732.94 and 97,538.49
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Solution
The fourth proportional to 287,129.03, 430,732.94 and 97,538.49 is: 146,321.12
Step by Step Solution
- Step 1: Write the proportion equation
287,129.03 : 430,732.94 = 97,538.49 : x - Step 2: Convert to fraction form
287,129.03/430,732.94 = 97,538.49/x - Step 3: Cross multiply
287,129.03x = 430,732.94 × 97,538.49 - Step 4: Simplify right side
287,129.03x = 42,013,040,073.17 - Step 5: Solve for x
x = 42,013,040,073.17/287,129.03 - Step 6: Final answer
x = 146,321.12
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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.