Finding the Fourth Proportional to 197,407.75, 272,422.71 and 107,983.75
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Solution
The fourth proportional to 197,407.75, 272,422.71 and 107,983.75 is: 149,017.58
Step by Step Solution
- Step 1: Write the proportion equation
197,407.75 : 272,422.71 = 107,983.75 : x - Step 2: Convert to fraction form
197,407.75/272,422.71 = 107,983.75/x - Step 3: Cross multiply
197,407.75x = 272,422.71 × 107,983.75 - Step 4: Simplify right side
197,407.75x = 29,417,225,810.96 - Step 5: Solve for x
x = 29,417,225,810.96/197,407.75 - Step 6: Final answer
x = 149,017.58
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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.