Finding the Fourth Proportional to 104,930.28, 157,280.88 and 51,658.92
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Solution
The fourth proportional to 104,930.28, 157,280.88 and 51,658.92 is: 77,431.99
Step by Step Solution
- Step 1: Write the proportion equation
104,930.28 : 157,280.88 = 51,658.92 : x - Step 2: Convert to fraction form
104,930.28/157,280.88 = 51,658.92/x - Step 3: Cross multiply
104,930.28x = 157,280.88 × 51,658.92 - Step 4: Simplify right side
104,930.28x = 8,124,960,397.45 - Step 5: Solve for x
x = 8,124,960,397.45/104,930.28 - Step 6: Final answer
x = 77,431.99
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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.