Finding the Fourth Proportional to 234,383.16, 323,236.15 and 153,780.06
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Solution
The fourth proportional to 234,383.16, 323,236.15 and 153,780.06 is: 212,076.99
Step by Step Solution
- Step 1: Write the proportion equation
234,383.16 : 323,236.15 = 153,780.06 : x - Step 2: Convert to fraction form
234,383.16/323,236.15 = 153,780.06/x - Step 3: Cross multiply
234,383.16x = 323,236.15 × 153,780.06 - Step 4: Simplify right side
234,383.16x = 49,707,274,541.17 - Step 5: Solve for x
x = 49,707,274,541.17/234,383.16 - Step 6: Final answer
x = 212,076.99
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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.