Finding the Fourth Proportional to 127,349.80, 191,024.70 and 97,825.30
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Solution
The fourth proportional to 127,349.80, 191,024.70 and 97,825.30 is: 146,737.95
Step by Step Solution
- Step 1: Write the proportion equation
127,349.80 : 191,024.70 = 97,825.30 : x - Step 2: Convert to fraction form
127,349.80/191,024.70 = 97,825.30/x - Step 3: Cross multiply
127,349.80x = 191,024.70 × 97,825.30 - Step 4: Simplify right side
127,349.80x = 18,687,048,584.91 - Step 5: Solve for x
x = 18,687,048,584.91/127,349.80 - Step 6: Final answer
x = 146,737.95
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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.