Finding the Fourth Proportional to 199,358.99, 298,997.70 and 57,166.17
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Solution
The fourth proportional to 199,358.99, 298,997.70 and 57,166.17 is: 85,737.55
Step by Step Solution
- Step 1: Write the proportion equation
199,358.99 : 298,997.70 = 57,166.17 : x - Step 2: Convert to fraction form
199,358.99/298,997.70 = 57,166.17/x - Step 3: Cross multiply
199,358.99x = 298,997.70 × 57,166.17 - Step 4: Simplify right side
199,358.99x = 17,092,552,012.19 - Step 5: Solve for x
x = 17,092,552,012.19/199,358.99 - Step 6: Final answer
x = 85,737.55
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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.