Finding the Fourth Proportional to 328,006.97, 492,077.20 and 125,588.73
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Solution
The fourth proportional to 328,006.97, 492,077.20 and 125,588.73 is: 188,408.65
Step by Step Solution
- Step 1: Write the proportion equation
328,006.97 : 492,077.20 = 125,588.73 : x - Step 2: Convert to fraction form
328,006.97/492,077.20 = 125,588.73/x - Step 3: Cross multiply
328,006.97x = 492,077.20 × 125,588.73 - Step 4: Simplify right side
328,006.97x = 61,799,347,835.60 - Step 5: Solve for x
x = 61,799,347,835.60/328,006.97 - Step 6: Final answer
x = 188,408.65
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1.5x scale
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.