Finding the Fourth Proportional to 514,283.81, 771,276.77 and 154,440.14
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Solution
The fourth proportional to 514,283.81, 771,276.77 and 154,440.14 is: 231,615.48
Step by Step Solution
- Step 1: Write the proportion equation
514,283.81 : 771,276.77 = 154,440.14 : x - Step 2: Convert to fraction form
514,283.81/771,276.77 = 154,440.14/x - Step 3: Cross multiply
514,283.81x = 771,276.77 × 154,440.14 - Step 4: Simplify right side
514,283.81x = 119,116,093,493.54 - Step 5: Solve for x
x = 119,116,093,493.54/514,283.81 - Step 6: Final answer
x = 231,615.48
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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.