Finding the Fourth Proportional to 453,529.05, 680,391.99 and 137,977.75
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Solution
The fourth proportional to 453,529.05, 680,391.99 and 137,977.75 is: 206,996.57
Step by Step Solution
- Step 1: Write the proportion equation
453,529.05 : 680,391.99 = 137,977.75 : x - Step 2: Convert to fraction form
453,529.05/680,391.99 = 137,977.75/x - Step 3: Cross multiply
453,529.05x = 680,391.99 × 137,977.75 - Step 4: Simplify right side
453,529.05x = 93,878,955,208.33 - Step 5: Solve for x
x = 93,878,955,208.33/453,529.05 - Step 6: Final answer
x = 206,996.57
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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.