Finding the Fourth Proportional to 197,707.12, 272,837.10 and 107,063.08
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Solution
The fourth proportional to 197,707.12, 272,837.10 and 107,063.08 is: 147,747.74
Step by Step Solution
- Step 1: Write the proportion equation
197,707.12 : 272,837.10 = 107,063.08 : x - Step 2: Convert to fraction form
197,707.12/272,837.10 = 107,063.08/x - Step 3: Cross multiply
197,707.12x = 272,837.10 × 107,063.08 - Step 4: Simplify right side
197,707.12x = 29,210,780,264.27 - Step 5: Solve for x
x = 29,210,780,264.27/197,707.12 - Step 6: Final answer
x = 147,747.74
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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.