Finding the Fourth Proportional to 378,130.16, 567,285.75 and 108,262.05
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Solution
The fourth proportional to 378,130.16, 567,285.75 and 108,262.05 is: 162,418.99
Step by Step Solution
- Step 1: Write the proportion equation
378,130.16 : 567,285.75 = 108,262.05 : x - Step 2: Convert to fraction form
378,130.16/567,285.75 = 108,262.05/x - Step 3: Cross multiply
378,130.16x = 567,285.75 × 108,262.05 - Step 4: Simplify right side
378,130.16x = 61,415,518,230.79 - Step 5: Solve for x
x = 61,415,518,230.79/378,130.16 - Step 6: Final answer
x = 162,418.99
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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.