Finding the Fourth Proportional to 508,742.70, 763,221.99 and 193,192.62
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Solution
The fourth proportional to 508,742.70, 763,221.99 and 193,192.62 is: 289,829.92
Step by Step Solution
- Step 1: Write the proportion equation
508,742.70 : 763,221.99 = 193,192.62 : x - Step 2: Convert to fraction form
508,742.70/763,221.99 = 193,192.62/x - Step 3: Cross multiply
508,742.70x = 763,221.99 × 193,192.62 - Step 4: Simplify right side
508,742.70x = 147,448,855,889.71 - Step 5: Solve for x
x = 147,448,855,889.71/508,742.70 - Step 6: Final answer
x = 289,829.92
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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.