Finding the Fourth Proportional to 178,197.62, 245,912.70 and 97,628.00
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Solution
The fourth proportional to 178,197.62, 245,912.70 and 97,628.00 is: 134,726.63
Step by Step Solution
- Step 1: Write the proportion equation
178,197.62 : 245,912.70 = 97,628.00 : x - Step 2: Convert to fraction form
178,197.62/245,912.70 = 97,628.00/x - Step 3: Cross multiply
178,197.62x = 245,912.70 × 97,628.00 - Step 4: Simplify right side
178,197.62x = 24,007,964,460.82 - Step 5: Solve for x
x = 24,007,964,460.82/178,197.62 - Step 6: Final answer
x = 134,726.63
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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.