Finding the Fourth Proportional to 197,729.06, 272,864.85 and 107,083.58
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Solution
The fourth proportional to 197,729.06, 272,864.85 and 107,083.58 is: 147,774.66
Step by Step Solution
- Step 1: Write the proportion equation
197,729.06 : 272,864.85 = 107,083.58 : x - Step 2: Convert to fraction form
197,729.06/272,864.85 = 107,083.58/x - Step 3: Cross multiply
197,729.06x = 272,864.85 × 107,083.58 - Step 4: Simplify right side
197,729.06x = 29,219,344,994.16 - Step 5: Solve for x
x = 29,219,344,994.16/197,729.06 - Step 6: Final answer
x = 147,774.66
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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.