Finding the Fourth Proportional to 371,781.99, 557,671.84 and 105,542.69
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Solution
The fourth proportional to 371,781.99, 557,671.84 and 105,542.69 is: 158,313.70
Step by Step Solution
- Step 1: Write the proportion equation
371,781.99 : 557,671.84 = 105,542.69 : x - Step 2: Convert to fraction form
371,781.99/557,671.84 = 105,542.69/x - Step 3: Cross multiply
371,781.99x = 557,671.84 × 105,542.69 - Step 4: Simplify right side
371,781.99x = 58,858,183,078.63 - Step 5: Solve for x
x = 58,858,183,078.63/371,781.99 - Step 6: Final answer
x = 158,313.70
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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.