Finding the Fourth Proportional to 560,135.36, 772,758.24 and 342,230.72
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Solution
The fourth proportional to 560,135.36, 772,758.24 and 342,230.72 is: 472,138.75
Step by Step Solution
- Step 1: Write the proportion equation
560,135.36 : 772,758.24 = 342,230.72 : x - Step 2: Convert to fraction form
560,135.36/772,758.24 = 342,230.72/x - Step 3: Cross multiply
560,135.36x = 772,758.24 × 342,230.72 - Step 4: Simplify right side
560,135.36x = 264,461,608,861.13 - Step 5: Solve for x
x = 264,461,608,861.13/560,135.36 - Step 6: Final answer
x = 472,138.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.