Finding the Fourth Proportional to 439,102.68, 605,946.18 and 248,111.97
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Solution
The fourth proportional to 439,102.68, 605,946.18 and 248,111.97 is: 342,385.75
Step by Step Solution
- Step 1: Write the proportion equation
439,102.68 : 605,946.18 = 248,111.97 : x - Step 2: Convert to fraction form
439,102.68/605,946.18 = 248,111.97/x - Step 3: Cross multiply
439,102.68x = 605,946.18 × 248,111.97 - Step 4: Simplify right side
439,102.68x = 150,342,500,433.78 - Step 5: Solve for x
x = 150,342,500,433.78/439,102.68 - Step 6: Final answer
x = 342,385.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.