Finding the Fourth Proportional to 508,201.70, 762,174.66 and 208,764.95
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Solution
The fourth proportional to 508,201.70, 762,174.66 and 208,764.95 is: 313,094.89
Step by Step Solution
- Step 1: Write the proportion equation
508,201.70 : 762,174.66 = 208,764.95 : x - Step 2: Convert to fraction form
508,201.70/762,174.66 = 208,764.95/x - Step 3: Cross multiply
508,201.70x = 762,174.66 × 208,764.95 - Step 4: Simplify right side
508,201.70x = 159,115,351,758.16 - Step 5: Solve for x
x = 159,115,351,758.16/508,201.70 - Step 6: Final answer
x = 313,094.89
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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.