Finding the Fourth Proportional to 197,207.19, 272,180.12 and 190,646.19
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Solution
The fourth proportional to 197,207.19, 272,180.12 and 190,646.19 is: 263,124.80
Step by Step Solution
- Step 1: Write the proportion equation
197,207.19 : 272,180.12 = 190,646.19 : x - Step 2: Convert to fraction form
197,207.19/272,180.12 = 190,646.19/x - Step 3: Cross multiply
197,207.19x = 272,180.12 × 190,646.19 - Step 4: Simplify right side
197,207.19x = 51,890,101,918.51 - Step 5: Solve for x
x = 51,890,101,918.51/197,207.19 - Step 6: Final answer
x = 263,124.80
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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.