Finding the Fourth Proportional to 531,117.12, 796,911.12 and 278,337.52
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Solution
The fourth proportional to 531,117.12, 796,911.12 and 278,337.52 is: 417,629.66
Step by Step Solution
- Step 1: Write the proportion equation
531,117.12 : 796,911.12 = 278,337.52 : x - Step 2: Convert to fraction form
531,117.12/796,911.12 = 278,337.52/x - Step 3: Cross multiply
531,117.12x = 796,911.12 × 278,337.52 - Step 4: Simplify right side
531,117.12x = 221,810,264,801.22 - Step 5: Solve for x
x = 221,810,264,801.22/531,117.12 - Step 6: Final answer
x = 417,629.66
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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.