Finding the Fourth Proportional to 434,260.76, 651,391.42 and 118,693.94
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Solution
The fourth proportional to 434,260.76, 651,391.42 and 118,693.94 is: 178,040.99
Step by Step Solution
- Step 1: Write the proportion equation
434,260.76 : 651,391.42 = 118,693.94 : x - Step 2: Convert to fraction form
434,260.76/651,391.42 = 118,693.94/x - Step 3: Cross multiply
434,260.76x = 651,391.42 × 118,693.94 - Step 4: Simplify right side
434,260.76x = 77,316,214,121.99 - Step 5: Solve for x
x = 77,316,214,121.99/434,260.76 - Step 6: Final answer
x = 178,040.99
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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.