Finding the Fourth Proportional to 347,660.80, 521,102.40 and 197,972.80
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Solution
The fourth proportional to 347,660.80, 521,102.40 and 197,972.80 is: 296,737.80
Step by Step Solution
- Step 1: Write the proportion equation
347,660.80 : 521,102.40 = 197,972.80 : x - Step 2: Convert to fraction form
347,660.80/521,102.40 = 197,972.80/x - Step 3: Cross multiply
347,660.80x = 521,102.40 × 197,972.80 - Step 4: Simplify right side
347,660.80x = 103,164,101,214.72 - Step 5: Solve for x
x = 103,164,101,214.72/347,660.80 - Step 6: Final answer
x = 296,737.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.