Finding the Fourth Proportional to 531,130.16, 796,930.62 and 278,350.49
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Solution
The fourth proportional to 531,130.16, 796,930.62 and 278,350.49 is: 417,649.09
Step by Step Solution
- Step 1: Write the proportion equation
531,130.16 : 796,930.62 = 278,350.49 : x - Step 2: Convert to fraction form
531,130.16/796,930.62 = 278,350.49/x - Step 3: Cross multiply
531,130.16x = 796,930.62 × 278,350.49 - Step 4: Simplify right side
531,130.16x = 221,826,029,521.52 - Step 5: Solve for x
x = 221,826,029,521.52/531,130.16 - Step 6: Final answer
x = 417,649.09
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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.