Finding the Fourth Proportional to 321,756.14, 482,444.95 and 122,090.55
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Solution
The fourth proportional to 321,756.14, 482,444.95 and 122,090.55 is: 183,064.02
Step by Step Solution
- Step 1: Write the proportion equation
321,756.14 : 482,444.95 = 122,090.55 : x - Step 2: Convert to fraction form
321,756.14/482,444.95 = 122,090.55/x - Step 3: Cross multiply
321,756.14x = 482,444.95 × 122,090.55 - Step 4: Simplify right side
321,756.14x = 58,901,970,794.16 - Step 5: Solve for x
x = 58,901,970,794.16/321,756.14 - Step 6: Final answer
x = 183,064.02
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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.