Finding the Fourth Proportional to 246,129.84, 369,194.76 and 77,650.65
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Solution
The fourth proportional to 246,129.84, 369,194.76 and 77,650.65 is: 116,475.98
Step by Step Solution
- Step 1: Write the proportion equation
246,129.84 : 369,194.76 = 77,650.65 : x - Step 2: Convert to fraction form
246,129.84/369,194.76 = 77,650.65/x - Step 3: Cross multiply
246,129.84x = 369,194.76 × 77,650.65 - Step 4: Simplify right side
246,129.84x = 28,668,213,090.59 - Step 5: Solve for x
x = 28,668,213,090.59/246,129.84 - Step 6: Final answer
x = 116,475.98
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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.