Finding the Fourth Proportional to 268,110.36, 402,165.36 and 68,430.78
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Solution
The fourth proportional to 268,110.36, 402,165.36 and 68,430.78 is: 102,646.12
Step by Step Solution
- Step 1: Write the proportion equation
268,110.36 : 402,165.36 = 68,430.78 : x - Step 2: Convert to fraction form
268,110.36/402,165.36 = 68,430.78/x - Step 3: Cross multiply
268,110.36x = 402,165.36 × 68,430.78 - Step 4: Simplify right side
268,110.36x = 27,520,489,273.78 - Step 5: Solve for x
x = 27,520,489,273.78/268,110.36 - Step 6: Final answer
x = 102,646.12
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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.