Finding the Fourth Proportional to 197,675.74, 272,793.02 and 107,032.79
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Solution
The fourth proportional to 197,675.74, 272,793.02 and 107,032.79 is: 147,705.52
Step by Step Solution
- Step 1: Write the proportion equation
197,675.74 : 272,793.02 = 107,032.79 : x - Step 2: Convert to fraction form
197,675.74/272,793.02 = 107,032.79/x - Step 3: Cross multiply
197,675.74x = 272,793.02 × 107,032.79 - Step 4: Simplify right side
197,675.74x = 29,197,798,169.94 - Step 5: Solve for x
x = 29,197,798,169.94/197,675.74 - Step 6: Final answer
x = 147,705.52
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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.