Finding the Fourth Proportional to 197,658.58, 272,771.04 and 107,016.52
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Solution
The fourth proportional to 197,658.58, 272,771.04 and 107,016.52 is: 147,683.99
Step by Step Solution
- Step 1: Write the proportion equation
197,658.58 : 272,771.04 = 107,016.52 : x - Step 2: Convert to fraction form
197,658.58/272,771.04 = 107,016.52/x - Step 3: Cross multiply
197,658.58x = 272,771.04 × 107,016.52 - Step 4: Simplify right side
197,658.58x = 29,191,007,457.58 - Step 5: Solve for x
x = 29,191,007,457.58/197,658.58 - Step 6: Final answer
x = 147,683.99
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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.