Finding the Fourth Proportional to 197,115.30, 295,510.95 and 84,881.70
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Solution
The fourth proportional to 197,115.30, 295,510.95 and 84,881.70 is: 127,252.79
Step by Step Solution
- Step 1: Write the proportion equation
197,115.30 : 295,510.95 = 84,881.70 : x - Step 2: Convert to fraction form
197,115.30/295,510.95 = 84,881.70/x - Step 3: Cross multiply
197,115.30x = 295,510.95 × 84,881.70 - Step 4: Simplify right side
197,115.30x = 25,083,471,804.62 - Step 5: Solve for x
x = 25,083,471,804.62/197,115.30 - Step 6: Final answer
x = 127,252.79
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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.