Finding the Fourth Proportional to 197,207.08, 272,145.78 and 107,783.08
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Solution
The fourth proportional to 197,207.08, 272,145.78 and 107,783.08 is: 148,740.66
Step by Step Solution
- Step 1: Write the proportion equation
197,207.08 : 272,145.78 = 107,783.08 : x - Step 2: Convert to fraction form
197,207.08/272,145.78 = 107,783.08/x - Step 3: Cross multiply
197,207.08x = 272,145.78 × 107,783.08 - Step 4: Simplify right side
197,207.08x = 29,332,710,377.40 - Step 5: Solve for x
x = 29,332,710,377.40/197,207.08 - Step 6: Final answer
x = 148,740.66
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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.