Finding the Fourth Proportional to 247,923.20, 371,625.60 and 135,430.40
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Solution
The fourth proportional to 247,923.20, 371,625.60 and 135,430.40 is: 203,004.01
Step by Step Solution
- Step 1: Write the proportion equation
247,923.20 : 371,625.60 = 135,430.40 : x - Step 2: Convert to fraction form
247,923.20/371,625.60 = 135,430.40/x - Step 3: Cross multiply
247,923.20x = 371,625.60 × 135,430.40 - Step 4: Simplify right side
247,923.20x = 50,329,403,658.24 - Step 5: Solve for x
x = 50,329,403,658.24/247,923.20 - Step 6: Final answer
x = 203,004.01
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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.