Finding the Fourth Proportional to 197,652.06, 272,760.02 and 107,008.09
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Solution
The fourth proportional to 197,652.06, 272,760.02 and 107,008.09 is: 147,671.26
Step by Step Solution
- Step 1: Write the proportion equation
197,652.06 : 272,760.02 = 107,008.09 : x - Step 2: Convert to fraction form
197,652.06/272,760.02 = 107,008.09/x - Step 3: Cross multiply
197,652.06x = 272,760.02 × 107,008.09 - Step 4: Simplify right side
197,652.06x = 29,187,528,103.38 - Step 5: Solve for x
x = 29,187,528,103.38/197,652.06 - Step 6: Final answer
x = 147,671.26
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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.