Finding the Fourth Proportional to 338,812.99, 467,576.58 and 202,820.62
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Solution
The fourth proportional to 338,812.99, 467,576.58 and 202,820.62 is: 279,901.23
Step by Step Solution
- Step 1: Write the proportion equation
338,812.99 : 467,576.58 = 202,820.62 : x - Step 2: Convert to fraction form
338,812.99/467,576.58 = 202,820.62/x - Step 3: Cross multiply
338,812.99x = 467,576.58 × 202,820.62 - Step 4: Simplify right side
338,812.99x = 94,834,172,321.42 - Step 5: Solve for x
x = 94,834,172,321.42/338,812.99 - Step 6: Final answer
x = 279,901.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.