Finding the Fourth Proportional to 197,729.24, 272,864.98 and 107,083.14
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Solution
The fourth proportional to 197,729.24, 272,864.98 and 107,083.14 is: 147,773.99
Step by Step Solution
- Step 1: Write the proportion equation
197,729.24 : 272,864.98 = 107,083.14 : x - Step 2: Convert to fraction form
197,729.24/272,864.98 = 107,083.14/x - Step 3: Cross multiply
197,729.24x = 272,864.98 × 107,083.14 - Step 4: Simplify right side
197,729.24x = 29,219,238,854.44 - Step 5: Solve for x
x = 29,219,238,854.44/197,729.24 - Step 6: Final answer
x = 147,773.99
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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.