Finding the Fourth Proportional to 234,636.64, 351,954.76 and 84,841.80
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Solution
The fourth proportional to 234,636.64, 351,954.76 and 84,841.80 is: 127,262.63
Step by Step Solution
- Step 1: Write the proportion equation
234,636.64 : 351,954.76 = 84,841.80 : x - Step 2: Convert to fraction form
234,636.64/351,954.76 = 84,841.80/x - Step 3: Cross multiply
234,636.64x = 351,954.76 × 84,841.80 - Step 4: Simplify right side
234,636.64x = 29,860,475,356.97 - Step 5: Solve for x
x = 29,860,475,356.97/234,636.64 - Step 6: Final answer
x = 127,262.63
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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.