Finding the Fourth Proportional to 545,117.70, 816,121.35 and 335,165.70
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Solution
The fourth proportional to 545,117.70, 816,121.35 and 335,165.70 is: 501,792.34
Step by Step Solution
- Step 1: Write the proportion equation
545,117.70 : 816,121.35 = 335,165.70 : x - Step 2: Convert to fraction form
545,117.70/816,121.35 = 335,165.70/x - Step 3: Cross multiply
545,117.70x = 816,121.35 × 335,165.70 - Step 4: Simplify right side
545,117.70x = 273,535,883,557.70 - Step 5: Solve for x
x = 273,535,883,557.70/545,117.70 - Step 6: Final answer
x = 501,792.34
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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.