Finding the Fourth Proportional to 198,251.70, 273,587.58 and 107,607.66
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Solution
The fourth proportional to 198,251.70, 273,587.58 and 107,607.66 is: 148,498.70
Step by Step Solution
- Step 1: Write the proportion equation
198,251.70 : 273,587.58 = 107,607.66 : x - Step 2: Convert to fraction form
198,251.70/273,587.58 = 107,607.66/x - Step 3: Cross multiply
198,251.70x = 273,587.58 × 107,607.66 - Step 4: Simplify right side
198,251.70x = 29,440,119,288.86 - Step 5: Solve for x
x = 29,440,119,288.86/198,251.70 - Step 6: Final answer
x = 148,498.70
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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.