Finding the Fourth Proportional to 349,278.16, 523,940.28 and 127,817.68
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Solution
The fourth proportional to 349,278.16, 523,940.28 and 127,817.68 is: 191,734.95
Step by Step Solution
- Step 1: Write the proportion equation
349,278.16 : 523,940.28 = 127,817.68 : x - Step 2: Convert to fraction form
349,278.16/523,940.28 = 127,817.68/x - Step 3: Cross multiply
349,278.16x = 523,940.28 × 127,817.68 - Step 4: Simplify right side
349,278.16x = 66,968,831,048.15 - Step 5: Solve for x
x = 66,968,831,048.15/349,278.16 - Step 6: Final answer
x = 191,734.95
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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.