Finding the Fourth Proportional to 197,455.08, 272,486.88 and 106,810.92
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Solution
The fourth proportional to 197,455.08, 272,486.88 and 106,810.92 is: 147,398.46
Step by Step Solution
- Step 1: Write the proportion equation
197,455.08 : 272,486.88 = 106,810.92 : x - Step 2: Convert to fraction form
197,455.08/272,486.88 = 106,810.92/x - Step 3: Cross multiply
197,455.08x = 272,486.88 × 106,810.92 - Step 4: Simplify right side
197,455.08x = 29,104,574,340.73 - Step 5: Solve for x
x = 29,104,574,340.73/197,455.08 - Step 6: Final answer
x = 147,398.46
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1.5x scale
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.