Finding the Fourth Proportional to 387,754.74, 534,883.14 and 232,665.92
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Solution
The fourth proportional to 387,754.74, 534,883.14 and 232,665.92 is: 320,947.92
Step by Step Solution
- Step 1: Write the proportion equation
387,754.74 : 534,883.14 = 232,665.92 : x - Step 2: Convert to fraction form
387,754.74/534,883.14 = 232,665.92/x - Step 3: Cross multiply
387,754.74x = 534,883.14 × 232,665.92 - Step 4: Simplify right side
387,754.74x = 124,449,077,860.59 - Step 5: Solve for x
x = 124,449,077,860.59/387,754.74 - Step 6: Final answer
x = 320,947.92
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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.