Finding the Fourth Proportional to 197,128.62, 272,040.12 and 112,246.02
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Solution
The fourth proportional to 197,128.62, 272,040.12 and 112,246.02 is: 154,901.00
Step by Step Solution
- Step 1: Write the proportion equation
197,128.62 : 272,040.12 = 112,246.02 : x - Step 2: Convert to fraction form
197,128.62/272,040.12 = 112,246.02/x - Step 3: Cross multiply
197,128.62x = 272,040.12 × 112,246.02 - Step 4: Simplify right side
197,128.62x = 30,535,420,750.32 - Step 5: Solve for x
x = 30,535,420,750.32/197,128.62 - Step 6: Final answer
x = 154,901.00
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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.